Blood type in humans contains multiple alleles.A male with type A blood and the genotype AO mates with a female with type B blood and thegenotype BO. What are the possible blood types of their offspring?

In a food chain, we have a linear series of links that start from producer organisms and end at an apex predator species or decomposer and detritivores.

In this case, the order would be as follows, with the first organism on the bottom:

Decomposer

Carnivore

Herbivore

Producer

We have to consider that almost all the human body cells contain 46 chromosomes, or 23 pairs of them because they are diploid cells, in other words, they contain 2 loads of chromosomes (2n), each from each parent. Whilst, we know that gamete cells, such as sperm and ovules have a only load of these chromosomes (n), in humans each gamete has 23 pairs of chromosomes, as we can see in the first answer option. This leads that, after fertilization, the process of

The correct answer is option A. a change in allele frequency due to a dramatic loss of population. This usually occurs when something cause mass

The motor proteins that move along the cytoskeleton's microtubules are called kinesins. Actin, on the other hand, dissociates from myosin II, the head group, following each power stroke. As a result, the first option is the one that is correct.

Motor proteins with the ability to actively move along actin filaments and microtubules, respectively, are myosin and kinesin.

One of the two main groups of motor proteins that travel along the cytoskeleton's microtubules is kinesins. The two head groups of the kinesin molecule cooperate to move down the microtubule. One head binds to actin as the other moves; the first head then releases actin while the second head binds.

Myosin II, on the other hand, has a head group that functions independently and actin that dissociates after each power stroke.

As a result, the first option is the one that is true.

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Answer:

Histamine ✨

Explanation:

Histamine is a compound released from cells. This histamine release is usually in response allergic and inflammatory reactions and injuries.

Histamine causes the contraction of smooth muscle and dilation of capillaries when released.

The defense system of the body

The skin is a non-specific barrier because it protects the body from non-especific pathogen agents, covering a major diversity of possible disease carriers.

The enzyme catalase is in charge of the decomposition of hydrogen peroxide, a molecule that is toxic for the cell. This enzyme transforms hydrogen peroxide (H2O2) into water (H2O) and oxygen (O2), two elements non-toxic and necessary for cells. It is found on the peroxisomes of all cells and it is very important mainly on blood cells.

If you add only cytosines instead of dNTPs, this means hat the sequencing would stop after tfilling all the terminal cytosines because it cannot add the other nucleotides needed, so you would end with fragments of different sizes, all of them ending in Cytosine (option d would be correct).

The population of grasshoppers can build and explode with exponentially growth under the good climatic factors.

Therefore option b is correct.

The cell will use what is known as Active Transport

Active transport is used when a cell is moving against it's concentration gradient. That means it's going from less energy inside to more energy on the outside.

Both in the oral cavity and in the stomach there are enzymes that break down food into the fundamental units of macromolecules. This means that in both places there is chemical digestion. On the other hand, both in the oral cavity and in the stomach there is a mechanical apparatus that produces mechanical digestion.

We can conclude that the correct answer is:

Answer:

B and C are the answers for this question

Great white sharks are considered as the largest predatory fish. It is a eukaryote. It possess a true nucleus and the other membrane-bound organelles are present. It is composed of many cells with a nucleus and organells which is a characteristic of a eukaryotic organisms. Its nucleus stores the genetic information. Organisms with complex structures such as a great white shark is a eukaryote.

A prokaryotes lacks a nucleus and other organelles and divided into bacteria and archaea.

From all the options given, the one that has the greatest resistance are endospores. Endospores have several outer coats that protect them from dessication, temperature changes, and even from UV radiation. Endospores are the response to environmental hostility, therefore when a bacteria senses abiotic adversity it starts to deploy the mechanisms to create an endospore, which is the resistant form of the microbe. Fungi, and the other bacterias mentioned are capable of developing spores, but these organisms themselves are more vulnerable than a endospore.

To answer this question we needd to remember how meny ATP, NAD and FAD are produced on each step of cellular respiration, so the account is a follows:

Glycolisis, 2ATP, 2NADH = 6ATP

Aerobic phase (krebs cycle, Acetil CoA), 4ATP, 2FADH, 8NADH= 32 ATP

Now we must remember that in glycolysis we spent 2ATP so the net production of the whole process is 38 ATP minus 2 ATP, which gives us 36ATP.

Therefore we can say that the correct answer is option C as 38 ATP are produced in total.

the answer is dystrophin

as dystrophin is protein found in cytoplasma

Explanation: In individuals with Duchenne muscular dystrophy (DMD), there is a mutation in the gene that codes for the protein dystrophin. Dystrophin is an essential protein involved in maintaining the structural integrity of muscle fibers. The mutation in the DMD gene results in the absence or severely reduced production of functional dystrophin protein.

As a result, without the production of dystrophin, the muscles in individuals with DMD gradually weaken and degenerate over time. This leads to progressive muscle weakness, difficulty in movement, and other associated symptoms of the disorder.

A random molecular movement generates kinetic energy. Light and sound are not necessarily neither kinetic energy nor potential energy. Both can become kinetic energy if the right medium is used. Heat is another term for thermal energy and it can also produce kinetic energy if the right medium is used. The energy in chemical bonds is potential energy. If the bonds are broken down, the energy released will become kinetic energy.

ANSWER: D. The energy in chemical bonds

Over the course of 45 years the moth population would change by colour because of the effects of Industrial Revolution. This is due to the effects of air pollution reffered to as industrial melanism. During this period, there was an increased in the population of dark-coloured moths. As an effect, the pale-colored moths were extra detectable to predators.

Kudzu is a leafy vine. Its scientific name is Pueraria montana. It was introduced in the U.S. from Japan and China in the decade of 1930 to prevent soil erosion. As it doesn't have predators, it grows and spreads easily in the country. It is woody and it has approximately 60 feet, growing in each season. Its leaves are large and has three broad leaflets, with hairy margins. The flowers are purple and the seed pots are flat and hairy. Kudzu has been studied to understand its many possible benefits to human health, as it is traditionaly used in its place of origin to treat menopausal symptoms, alcoholism, diabetes, fever, among other conditions. It became an invasive species due to the lack of predator, causing harm to many environments where it has spreaded.

Tissues in the human body refers to a group a similar cells working together to perform a common function. They have similar structures and work as a unit. It is made up of specialized cells grouped together depending on its structures and functions. It is the one that makes up the organs and the other parts of the body.

Answer - c. a group a similar cells working together to perform a common function

Tissues are known to be a group or number of cells functioning together to perform an activity. Therefore, according to the question, tissue is a group of similar cells working together to perform a common function.

A cell is the structural and functional unit of life. A number of similar cells give rise to tissue. In human body, there are various organs that are made up of a number of tissues.

Tissues in human body are made to perform various function such as - any kind of movement. Humans being multicellular, has different kinds of tissues.

A number of tissues makes up an organ that is specified in performing one activity.

A number of organs make up an organ system and then group of organ system forms an organism.  A tissue is responsible for the specific function of an organ.

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The parts of a chloroplast are the inner membrane, outer membrane, intermembrane space, thylakoid membrane, stroma and lamella.

Chlorophyll is the green pigment found within the thylakoid membrane.

Cristae are found on the inner membraine of mitochondria in the cell cytoplasm.

Answer - Option 1 - cristae

The correct answer is MESOZOIC ERA

The Mesozoic era (middle life) is known as the age of dinosaurs in whcih they evolved from earlier reptiles in order to fill the niches on land, water, and in the air. This era was also where the mammals evolved but were in small size. Flowering plants also start to appear.

Answer:

I would say D

Explanation:

A law is saying WHAT is happening

A theory is saying WHY it is happening

Answer: D. A proven, universal truth that states what happens

Explanation:

In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. Laws have not had any contradicting observations.

Answer

Cerebrum, forebrain

Explanation

The cerebrum, the largest part of the human brain, is associated with higher order functioning. The structures in the forebrain include the cerebrum, thalamus, hypothalamus, pituitary gland, limbic system, and the olfactory bulb.

The body systems that match with the correct organelle are: (A) integumentary system: cell membrane; (C) digestive system: lysosome; (D) nervous system: nucleus; and (E) respiratory system: mitochondria.

Lysosome is the single membrane cell organelle that acts as the digestive system of the cell. It does so because it not only helps in the digestion of food particles, but also digests the foreign invaders so that the cell can protected from any kind of infections.

Nucleus is a cluster of neurons in the nervous system. Neurons are the cells that are basic unit of nervous system. Each neuron structure consists of cell body, with dendrites emerging from it. A long axon extends which has axon terminal at the end.

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Carbohydrates are broken down during cellular respiration and also release energy.

Answer:

A. circulating concentrations of renin will increase

D. water uptake by the distal convoluted tubule will increase

Hope this helps! :)

When circulating levels of renin increase, a person's blood pressure decreases, hence option A is correct.

Angiotensin is generated more often when renin, which is mostly produced by the kidneys, is increased. Angiotensin then triggers the release of aldosterone from the adrenal cortex.

Blood and tissues both create angiotensin, and the kidneys produce renin, a proteolytic enzyme, into circulation.

When the kidneys receive low blood flow, they behave as if the decreased flow is related to dehydration.  Blood pressure rises as a result of the increased fluid filling the blood vessels.

Therefore, when your blood pressure falls too low or when your body doesn't have enough salt, renin is released into your circulation,  hence option A is correct.

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The correct answer are leeches, polychaeta and earthworms. All of these are segmented worms.

Cellular respiration is a way where the food that we consumed is being converted to energy out of sugar which is in the form of glucose. The organism is combining the oxygen with the food and diverting the energy and discarding carbon dioxide and water as its waste products. It occurs in the mitochondria of an animal or plant organisms. The overall goal of cellular respiration is to break down the sugar in the form of glucose with oxygen in order to release energy (ATP). ATP is the energy that the body can use for energy.

As we know an heterotroph is an organism that obtains it energetic input from an external source