Answer: Nitrogen
Explanation: It is the major atom that is present in amino acids that are not present in carbohydrates.
Match the Vocabulary terms with their definitions.
1st: unicellular organisms that do not have a nucleus.
2nd: an organism that is made up of a single cell
3rd: A domain of organisms that are unicellular, prokaryotic organisms that live in diverse environments.
4th: an organism that is made up of many cells.
5th: a kingdom of organisms that are unicellular, prokaryotic organisms that often live in extreme environments.
1. multicellular
2. unicellular
3. archaea
4. bacteria
5. Prokaryotic
The population in a 50 square mile area is 200 people. What is the population density?
This is a simple calculation.
Typically you convert square miles into square kilometers. But you can apply this formula to both imperial and metric systems.
Formula:
\(Population Density = Population/Land Area\)
Here is what your equation looks like
\(Population density = 200/50^2\)
Calculate that and you get 0.08 people per square mile.
A__________
is a count of the population in particular areas.
A. bed check
B. poll
C. headcount
D. census
Pls help
Answer:
A census is a count of the population in particular areas.
Explanation:
Explain why the null hypothesis Upper H 0 : mu 1 equals mu 2 is equivalent to the null hypothesis Upper H 0 : mu 1 minus mu 2 equals 0. Choose the correct answer below. A. They are equivalent through algebraic manipulation. B. They are equivalent because the null hypothesis, Upper H 0, is always assumed to be true. C. Bydefinition, the null hypothesis is always equal to 0. Therefore, these hypotheses are equivalent. D. The values of mu 1 and mu 2 are equivalent in every population. Therefore, these hypotheses are equivalent.
The null hypothesis Upper H0: μ1 = μ2 is equivalent to the null hypothesis Upper H0: μ1 − μ2 = 0 because they are equivalent through algebraic manipulation (Option A).
A null hypothesis is a hypothesis that is tested for possible rejection under the assumption that it is true. It is generally denoted by H0. A null hypothesis usually states that the two populations under consideration are the same or equal.
Algebraic manipulation is the technique of manipulating algebraic expressions to simplify or prove a mathematical relationship. The null hypothesis Upper H0: μ1 = μ2 can be transformed by subtracting one population mean from the other to get H0: μ1 − μ2 = 0. So the null hypothesis Upper H0: μ1 = μ2 is equivalent to the null hypothesis Upper H0: μ1 − μ2 = 0.
Thus, the correct option is A.
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What are the four types of receptors? What kind of stimulus does each one respond to? NO LINKS PLEASE
(a) Part A Which claim is best supported by the data?
A)As annual precipitation increases, the populations of Species A and B increase.
B)As annual precipitation increases, the populations of Species A and B decrease.
C)As annual precipitation increases, the population of Species A increases while Species B decreases.
D)As annual precipitation increases, the population of Species A decreases while Species B increases.
Part B If the precipitation levels observed in year '09 remain the same and other resources remain constant, identify and describe what can be predicted to occur with the population of Species B over the next 6 years? Enter the answer in the box.
Answer:
D
Explanation:
It increases
The claim is best supported by the data is as annual precipitation increases, the populations of Species A and B decrease. Thus, option B is correct.
When annual precipitation increases according to the data?
As annual precipitation increases, the populations of Species A and B decrease. As annual precipitation increases, the population of Species A increases while Species B decreases. As annual precipitation increases, the population of Species A decreases while Species B increases.
As annual precipitation increases, the populations of Species A and B increase. As annual precipitation increases, the population of Species A decreases while Species B increases.
If the precipitation levels observed in year '09 remain the same and other resources remain constant, identify and describe what can be predicted to occur with the population of Species B over the next 6 years.
Therefore, The claim is best supported by the data is as annual precipitation increases, the populations of Species A and B decrease. Thus, option B is correct.
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Mendel studied discrete, qualitative traits in peas. This organism helped him induce the rules of inheritance. His work dealt with simple dominant/recessive relationships between alleles. However, expression of many traits are not governed by a single gene, rather can involve multiple genes as well as additive effects. This kind of inheritance pattern is known as quantitative (See Cogbooks -> Genetic analysis of populations for more information). Edward M East (1916) studied a continuously varying phenotype characteristic in Nicotiana longiflora. He took pure-breeding lines of N. longiflora growing long corollas and crossed them with pure-breeding lines growing short corollas. After crossing these lines, F1 offspring had an intermediate length for corolla and had same variation level as in parents. But found a very different result for F2 and F3 than expected. Discuss the reasons for this result and if it agrees/disagrees with Mendel’s law. Using obtained knowledge so far, what ki
Answer:The result helped him induce the rules of inheritance and it did disagree with his laws.
Explanation: He understood that the single genes could possess multiple traits and he discovered the rules of inheritance.
can any of the skeletal material be used to determine the biological sex of the victim(s)? if so, which bone(s)?
Yes, skeletal material can be used to determine the biological sex of the victim. The skeletal material that can be used to determine the biological sex of the victim includes the skull, pelvis, and long bones such as the femur.
The determination of the sex of a victim from skeletal remains is important in forensic investigations where the identity of a victim cannot be established by other means such as identification documents, fingerprints, or DNA analysis. Sex determination is crucial to develop a biological profile of the victim, which can provide important information to solve the case and help in the identification of the victim.
The skeletal material that can be used to determine the biological sex of the victim includes the skull, pelvis, and long bones such as the femur. The skull contains several features that can be used to determine the sex of the victim such as the shape of the skull and size of the mandible. For example, male skulls are usually larger and more robust than female skulls.
The pelvis is another bone that can be used to determine the biological sex of the victim. The pelvis is generally wider in females to accommodate childbirth and is more narrow in males. Furthermore, the pelvis bone has several features that can indicate the sex of the victim, such as the subpubic angle which is greater in females.
The long bones of the body can also be used to determine the sex of the victim. The femur, for example, has features such as the shape of the bone and the size of the head and neck, which can indicate the sex of the victim.
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NEED HELP ASAP! Energy in a Carbohydrate
To create your model:
Look up and copy and paste or draw a model of a carbohydrate showing all of the elements and the bonds that hold the elements together.
Identify and color-code the different types of bonds in your molecular model
Label representative bonds with bond energies for the different types of bonds
Total CPE:
Using your model
Calculate the total chemical potential energy:
Create a Bar graph counting the number of each type of bond
Create a pie chart modeling the percent of chemical potential energy in each bond type
SORRY FOR INFORMATION!!!
Answer:
Anything else
Explanation:
O don't know bro sorry for giving this information
The organ that secretes fluid into the small intestine is the _____________
A) Spleen
B)Thymus Gland
C)Pancreas
Explanation:
the pancreas creates natural juices called pancreatic enzymes to break down foods. These juices travel through your pancreas via ducts. They empty into the upper part of your small intestine called the duodenum. Each day, your pancreas makes about 8 ounces of digestive juice filled with enzymes.
what are the two characteristics of Pine due to which it is not placed under sub division angiosperms
Answer:
The angiosperms, or flowering plants, are the largest and most species-rich phylum of plants, with more than 250,000 species estimated.
Defining Characteristics
The term "angiosperm" derives from two Greek words: angeion, meaning "vessel," and sperma, meaning "seed." The angiosperms are those plants whose seeds develop within a surrounding layer of plant tissue, called the carpel, with seeds attached around the margins. This arrangement is easily seen by slicing into a tomato, for example. Collectively, carpels together with the style and stigma are termed the ovary, and these plus associated structures develop into the mature
Explanation:
PLS HELP
write a paragraph with 10+ sentences about the peridodic table. also write another paragraph with 10+ sentences about density
Answer:
Periodic table:
The periodic table is a chart that arranges the chemical elements in a useful, logical manner. Elements are listed in order of increasing atomic number, lined up so elements that exhibit similar properties are arranged in the same row or column as others.
Although Dmitri Mendeleev is most often cited as the inventor of the modern periodic table, his table was just the first to gain scientific credibility. It wasn't the first table that organized the elements according to periodic properties.
There are about 94 elements on the periodic table that occur in nature. All of the other elements are strictly human-made. Some sources state more elements occur naturally because heavy elements may transition between elements as they undergo radioactive decay.
Technetium was the first element to be made artificially. It is the lightest element that has only radioactive isotopes (none are stable).
The International Union of Pure Applied Chemistry, IUPAC, revises the periodic table as new data becomes available. At the time of this writing, the most recent version of the periodic table was approved in December 2018.
The rows of the periodic table are called periods. An element's period number is the highest unexcited energy level for an electron of that element.
Columns of elements help to distinguish groups in the periodic table. Elements within a group share several common properties and often have the same outer electron arrangement.
Most of the elements on the periodic table are metals. The alkali metals, alkaline earth, basic metals, transition metals, lanthanides, and actinides all are groups of metals.
The present periodic table has room for 118 elements. Elements aren't discovered or created in order of atomic number. Scientists are working on creating and verifying elements 119 and 120, which will change the appearance of the table, though they were working on element 120 before element 119. Most likely, element 119 will be positioned directly below francium and element 120 directly below radium. Chemists may create much heavier elements that may be more stable because of the special properties of certain combinations of proton and neutron numbers.
Although you might expect atoms of an element to get larger as their atomic number increases, this does not always occur because the size of an atom is determined by the diameter of its electron shell. In fact, element atoms usually decrease in size as you move from left to right across a row.
The main difference between the modern periodic table and Mendeleev's periodic table is that Mendeleev's table arranged the elements in order of increasing atomic weight, while the modern table orders the elements by increasing atomic number. For the most part, the order of the elements is the same between both tables, though there are exceptions.
Destiny:
That is, density (p) is equal to the total mass (M) divided by total volume (v). This formula can be used to determine the density of any substance. Common units for the measurement of density include grams (g), milliliters (ml), or grams per cubic centimeter. For instance, if there are 50 grams of a given substance within a cubic centimeter, that unit’s density is 50g/mm3.
Density can vary according to temperature and pressure. Applying pressure to an object decreases volume, which then increases density. Increasing the temperature of an object almost always decreases its density by increasing its volume.
By heating the bottom of a volume, especially a fluid volume such as a liquid or gas, convection causes the substance to rise, thus increasing the volume. The temperature variation is typically minor in solids and most liquids, but much greater in gases. The abbreviations to know are:
NTP: Normal Temperature and Pressure. Equal to 20 degrees C (68 F) and 1 atmosphere of pressure. Our examples below are all at NTP.
STP: Standard Temperature and Pressure. Equal to 0 degrees C (32 F) and 1 atmosphere of pressure.
These standardized pressures and temperatures make it possible to confirm equal densities are being used regardless of the application.
E FilI in the blanks :
1. Carbon dioxide is released during the process of_.
2. Exchange of gases in plants takes place through the cracks in bark is_.
3. Yeast undergoes_
respiration
4. The final products obtained in the anaerobic respiration are_,_,_.
5._ is the energy currency of the cells.
6. The breathing and respiration in woody stem of a plant takes place through_.
7. During Marathon race, we sometimes get painful contractions of leg muscles due to the accumulation of_.
8. The process of respiration which releases energy takes place inside the cells of the body is known as_.
9. The mechanism by which organisms obtain oxygen from air and release carbon dioxide is called_.
10. Seat of respiration is_.
Answer:
1. Carbon dioxide is released during the process of cellular respiration
2. Exchange of gases in plants takes place through the cracks in bark is Lenticel
3. Yeast undergoes aerobic respiration
4. The final products obtained in the anaerobic respiration are lactic acid, carbon dioxide, and water
5. ATP-Adenosine Triphosphate is the energy currency of the cells.
6. The breathing and respiration in woody stem of a plant takes place through lenticels
7. During Marathon race, we sometimes get painful contractions of leg muscles due to the accumulation of lactic acid
8. The process of respiration which releases energy takes place inside the cells of the body is known as cellular respiration
9. The mechanism by which organisms obtain oxygen from air and release carbon dioxide is called breathing.
10. Seat of respiration is mitochondria
Credit to Kirstenbruke3376
Needed substances are carried to the body cells by:
A)enzymes
B)blood
C)water
D)food
how had/has human activity influenced the tropic cascade of the aleutian islands kelp forest
Answer:
humans killing whales caused orcas to have to eat otters which caused sea urchin populations to increase which caused kelp populations to decrease
Explanation:
State the 4 motor areas of the cortex
Answer: posterior parietal, dorsolateral pre- frontal, secondary motor, and primary motor cortex.
Answer:
The motor cortex comprises three different areas of the frontal lobe, immediately anterior to the central sulcus. These areas are the primary motor cortex (Brodmann's area 4), the premotor cortex, and the supplementary motor area (Figure 3.1).
Explanation:
Hope it helps!
a segment of dna has 320 nitrogen bases. if 40 of them are cytosine, how many are thymine
explain how erosion and deposition of a river's material over time, as the water flows down through, made the old stream look the way it does.
Erosion and deposition occurs by slow flowing rivers creates broad floodplains and meanders.
How do erosion and deposition occur?Rivers and bourn deposit sediment where the speed of the water current decreases. In rivers, toppling occurs along the inside bank of the river bend. This "area" is where water flows slower while erosion happens along the outside bank of the bend, where the water flows a lot faster. Most river erosion happens close to the mouth of a river. On a river bend, the longest sharp side has slower moving water. Here deposits build up. On the narrowest sharpest side of the curve, there is faster-moving water so this side tends to crumble away mostly.
So we can conclude that land use and stream oversight can also trigger erosion responses.
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After siting in the bathtub for hours your fingers start to look like prunes due to the process of
Answer:Shrinking Blood vassels
Explanation:
If the birth rate and death rate of the number of bacteria are proportiona to the number of bacteria present; what is the bacteria population as function of time? What is the limiting situation for increasing time (.e. co)? (Hint: let N(t) be the number of bacteria at any time Birth rate and death rate will be kb " N(t) andka" N(t) respectively, where kp andka are two different constants. The ODE to solve will be kb N - kd N = (kb ka) N, with an initial condition N(t = 0) = NoA)
The model takes into account the birth rate (kb N(t)) and death rate (kd N(t)) of bacteria, where kb and kd are two different constants and N(t) is the number of bacteria at any time.
The mathematical model that describes this situation is called an ordinary differential equation (ODE) and is written as kb N(t) - kd N(t) = (kb - kd) N(t). This equation states that the rate of change of the number of bacteria over time is equal to the difference between the birth rate and death rate of bacteria.
The limiting situation for increasing time occurs when the population of bacteria reaches a maximum value and can no longer increase. This occurs when the birth rate and death rate of bacteria are equal, meaning that the rate of change of the number of bacteria over time is zero.
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Which of the following statements is true about the diagram below A. H+ ions are moving into the cell by facilitated diffusion B. The concentration of H+ ions is increasing inside the cell C. H+ ions are moving out of the cell by active transport D. The H+ ions are moving down the concentration gradient
\(H^+\) ions are moving out of the cell by active transport. Option C.
What is active transport?Active transport is a form of cell transportation that requires the expedition of energy, usually in the form of ATP.
An example of active transport is ion transport across the cell membrane as depicted in the image. When materials are moved from the side of higher concentration to the side of lower concentration, the materials are moved along their concentration gradients.
When materials move from the side of a lower concentration to the side of a higher concentration, the materials are said to be moved against their concentration gradients.
From the image, one can see that \(H^+\) ions are moving from the cytoplasm across the cell membrane to the external environment. It can also be seen that this movement of ions requires ATP. Thus, it can be concluded that \(H^+\) ions are moving out of the cell by active transport.
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Since a pump carrier protein is carrying H+ from the lower-concentration side to the higher-concentration side using ATP, we can assume the true statement about the diagram is C) H+ ions are moving out of the cell by active transport.
What is active transport?Active transport is a cellular transmembrane type of transport together with passive transport and simple diffusion.
Active transport acts against the electrochemical gradient, so it does need energy to transport substances. It carries molecules from a low-concentration side of the membrane to a high-concentration side.
The energy used comes from ATP (Na-K bomb) or the membrane's electric potential.
The transmembrane proteins involved in active transport are Carrier proteins.
In the exposed image you can see
A higher concentration of H+ in the extracellular space.H+ being pumped against their electrochemical gradient (from the lower concentration side to the higher concentration side)ATP is mediating this transportA H+ pump is carrying H+.This is active transport. Option C.
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how would you revise for a biology test?
any tips?
Create a Revision Guide and Summarise. ...
Spaced Repetition. ...
Make Difficult Topics Fun. ...
Create Accompanying Visuals. ...
Practice Past Papers. ...
Leverage Study Groups. ...
Create and Use Flashcards. ...
Revision and Memory Games.
Explain how chemical properties and chemical changes are different?
Explanation:
A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical reaction is a process that occurs when one or more substances are changed into one or more new substances.
ill give brainliest just help please!!
Answer:
D
dont forget brainliest :)
Answer:
D
Explanation:
The smaller leaves do not allow the plant to create a lot of chlorophyll, thus it cannot create as much energy, making it grow slower.
Organisms that are members of the family Coccinellidae are heterotrophic, reproduce sexually, and are multicellular. Knowing this, we can be certain they belong to which kingdom? А Animalia B Plantae C Eubacteria D Protista
Answer:
they belong to kingdom (A). Animalia.
what are the blood vessels found in the renal corpuscle that produce filtrate?
The blood vessels found in the renal corpuscle that produce filtrate are the glomerular capillaries.
Within the renal corpuscle, which is a part of the kidney's functional unit called the nephron, there are specialized blood vessels known as glomerular capillaries. These capillaries are responsible for the production of filtrate, which is the initial fluid that enters the renal tubules for further processing in the formation of urine.
The glomerular capillaries are unique because they have a high permeability to water and small solutes. This allows them to filter blood under high pressure and produce the initial filtrate. The filtration process occurs through a specialized structure called the glomerular filtration barrier, which consists of three layers: the endothelial cells of the capillaries, the basement membrane, and the podocytes (specialized cells surrounding the capillaries).
As blood flows through the glomerular capillaries, small molecules such as water, ions, glucose, and waste products are filtered out of the blood and into the surrounding space known as Bowman's capsule. This initial filtrate, containing both waste substances and valuable substances, is then further processed along the renal tubules to form urine.
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people with type o-negative blood are universal donors
Yes, people with type O-negative blood are often referred to as "universal donors" because their blood can be safely transfused to individuals with any blood type.
This is due to the fact that type O-negative blood lacks the A or B antigens on the red blood cells and does not have the Rh factor. As a result, it is compatible with individuals of any blood type, including A, B, AB, or O, and with both Rh-positive and Rh-negative recipients.
The compatibility of type O-negative blood makes it highly valuable in emergency situations when the blood type of the recipient may not be immediately known or in cases where there is a shortage of specific blood types.
However, it's worth noting that while O-negative blood is considered a universal donor for red blood cell transfusions, compatibility for other blood components like platelets or plasma may still need to be considered based on specific factors such as antibodies or other medical considerations.
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People with type O-negative blood are considered universal donors because their blood lacks both A and B antigens as well as the Rh antigen. This means that their blood can be transfused to individuals with any blood type without causing an adverse immune reaction.
In the ABO blood group system, there are four main blood types: A, B, AB, and O. These blood types are determined by the presence or absence of certain antigens on the surface of red blood cells. type O-negative blood is considered the universal donor because it lacks both A and B antigens as well as the Rh antigen.
When a person with type O-negative blood donates blood, it can be transfused to individuals with any blood type. This is because type O-negative blood does not have the antigens that can cause an adverse immune reaction in the recipient. The absence of A and B antigens makes it compatible with individuals who have type A, B, AB, or O blood. Additionally, the absence of the Rh antigen makes it compatible with both Rh positive and Rh negative individuals.
Being a universal donor is important in emergency situations when there may not be enough time to determine the recipient's blood type. Type O-negative blood can be used in these cases to save lives without the risk of an incompatible blood transfusion.
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Question 12 of 30
Scientific research shows that Earth's climate is changing due to human
activities. How can scientific research on climate change help us prepare for
the future?
A. It can help us stop storms before they occur.
B. It can help us find a new way to make more water.
C. It can help us improve water conservation efforts.
D. It can help us cool down the planet before it gets too hot.
SUBMIT
Explanation:
It can help us cool down the planet before it gets too hot.
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What will most likely happen if a person does
consume the minimum daily requirement of carbohydrates?
The body will break down chitin from the bones.
The body will break down glycogen from the liver.
The body will break down glucose from the blood.
The body will break down galactose from the pancreas.
Answer:
The body will break down glycogen from the liver.
Explanation:
The body will break down chitin from the bones -
False - it is not related to the question
The body will break down glucose from the blood -
False - Glucose is only used when someone has a ton of carbohydrates.
The body will break down galactose from the pancreas -
False - The pancreas contains enzymes that assist in digestion and release certain hormones.
an intestinal obstruction caused by the invagination of the ileum into the cecum and part of the ascending colon collapsing through the ileocecal valve is an example of a(n):
Option (B). An intestinal obstruction caused by the invagination of the ileum into the cecum and part of the ascending colon collapsing through the ileocecal valve is an example of an intussusception.
If there is a blockage either in the small or large intestine then food or liquids can't be passed through Hernias, colon cancer, specific medications, or strictures from an inflamed intestine brought on by conditions like Crohn's disease or diverticulitis can cause intestinal obstruction.
A dangerous illness known as intussusception occurs when a portion of the intestine slides into another portion of the gut. Often, the telescoping movement prevents the passage of food or liquid. The damaged portion of the intestine's blood supply is likewise cut off by intussusception. This may cause a perforation in the gut, an infection, and the death of intestinal tissue.
The most frequent cause of intestinal obstruction in kids under 3 is intussusception. Most occurrences of intussusception in children have no recognized cause. Even though adult intussusception is uncommon, the majority of these cases are brought on by an underlying illness, like a tumor.
Intestinal blockage symptoms and signs include:
stomach cramps that come and go
reduced appetite
Constipation
Vomiting
Not able to urinate or pass gas
abdominal swelling
The complete question is:
An intestinal obstruction caused by the invagination of the ileum into the cecum and part of
the ascending colon collapsing through the ileocecal valve is an example of a(n):
A. congenital aganglionic megacolon
B. Intussusception
C. adhesions
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