A research team discovered that a novel hormone X stimulates an enzyme that hydrolyzes proteins in the small intestine. However, when hormone X was added to a test-tube mixture containing the enzyme and proteins, no breakdown occurred.

Required:
a. Why is this the case?
b. Name ONE signal transduction pathway that hormone X is using to transfuse its signal. (write all the steps and intermediates)

Answer:

2. sedimentation (decantation follows sedimentation)

3. immiscible (water and oil never mix with each other)

4. size

5. evaporation (condensation chills the mixture where evaporation heats the mixture )

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Answer:

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sedimentation

immiscible

evaporation

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Answer:

A. Together.

Explanation:

The root word of mutualism, mutual means together or a thing that many people share.

For example:

Mutualist Symbiotic Relationship refers to a relationship in which organisms are benefited, in other words it is a win-win.

The relationship between the Egyptian plover bird and the crocodile, that is mutualist relationship.

When a meat or something (food) gets stuck in the teeth of the crocodile then the Egyptian plover bird takes it out (like a toothpick).

The crocodile gets benefited.

The bird also gets benefited (its gets its food)

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Answer:

together

Explanation:

Mutualism is defined as a relationship that benefits two organisms, or it is defined as a doctrine in sociology where mutual aid is beneficial to society and the individual. An example of mutualism is pollination which is when bees take nectar from flowers and then deposit the nectar on another flower.

Answer:

2,500

Explanation:

Answer:

the answer is 2,500x

Answer:

Leave rise and floating depends on the production of oxygen.

Explanation:

The leaves rises due to consumption of oxygen which is produced during photosynthesis. Floating of leave occurs due to production of oxygen in the process of photosynthesis. The leaf discs float faster if the rate of photosynthesis is increases because oxygen production is also increases while the leaf discs float will be slower if the rate of photosynthesis is decreased due to low production of oxygen.

Answer:

The possible blood types their children could have are A or 0.

Explanation:

  The I gene determines the blood type of a person. I is the dominant allele, while i is the recessive allele.

Cross: a person who is blood type O with a person who is blood type A

Parental)    ii      x     IA-

Gametes) i   i          IA   -

Punnet Square)   IA            -

                     i      IAi           -i

                     i      IAi           -i

The - symbol represents the possibility of either IA allele or i allele. This is, the parental with blood type A might have the genotype IAIA or IAi

F1)  2/4 = 1/2 IAi

     2/4 = 1/2    -i  (-i could be either IAi or ii, depending on the genotype of the parental with blood type A)

F1)  100% IAi (The whole progeny will have blood type A)

F1) 50% IAi (Half of the progeny will have blood type A)

    50% ii (Halfa of the progeny will have blood type 0)  

The possible blood types their children could have are A or 0.

Answer:

Option(C): drinking water from streams and ponds

Answer:

Tendonitis

Explanation:

When a part of the body becomes too overused it can cause the tendons(fiborous connective tissue) to swell and fluid will accumulate around the tendon which connects muscle to bone. Along with this the lining of the tendon can become inflamed which causes Tenosynovitis.

Answer:

C. facilitates the absorption of vitamin B12.

Explanation:

The Intrinsic factor is a substance that is produced by the stomach and it has the important function of producing vitamin B12 which is necessary for life. Vitamin B12 is used in the production of mature red blood cells. It also improves the function of the nervous system. The production of this intrinsic factor is a very vital role of the stomach because, in the absence of a stomach, for example, in the case of a gastrectomy, a person can only survive if he is given injections of Vitamin B12.

The stomach also serves as a holding center for food and eventually delivers the food to the small intestine and the duodenum.  

From left to right, the correct order of the minerals from the least hard to the hardest is ⇒ Graphite, Talc, Gypsum, Calcite, Fluorite, Apatite, Magnetite, Pyrithe, Feldespat, Quartz.

Theoretical frame:

Hardness is one of the physical properties of minerals and is a significant one when identifying and recognizing them.

Hardness measures the resistance level of a surface to abrasion. In the specific case of minerals, it measures how minerals resist being scratched or penetrated.

The hardness level is determined by an attempt to scratch or produce a mark on an unmarked surface using sharp elements, such as nails, copper coin, glass, or a steal knife. Notice that these elements also vary in their hardness.

There are different methods used to define hardness, and they are not comparable to each other. The Mohs hardness method defines an ordinary qualitative scale that characterizes the mineral according to their resistance to being scratched by a harder element.

According to the Mohs hardness scale, the level in which the given minerals are placed is as follows,

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Answer:

I know the answer

Explanation:

Yes

Yes

Yes

Answer:

the answer is the cardiac muscle

Answer:

               Metals like bauxite, gold, manganese, copper, tin and timber.

                The Amazon Jungle is rich for logging , coffee growing , meat

               production and milk production.....

Answer:

Correct Answer:

O discard the ground beer

Explanation:

When it comes to anything edible whether food or drink, safety and precaution is always taken. This is to prevent poisoning when an expired or harmful food or drink is taken. In the case of the undated "ground beer" on the counter, the best action would be to discard it entirely.

In the given case, The Person in charge (PIC) should -  discard the ground beer

All foods that require time and temperature control (TCS) should be labeled with the following:

Thus, In the case of the undated "ground beer" on the counter, the best action would be to discard it entirely.

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Answer:

See the answer below

Explanation:

For each heterozygous parent with the genotype BbRr, the possible gametes are: BR, Br, bR, and br. A set of these gametes from one of the parents will be lined up along the top of the Punnet's square while another set from the other parent will be lined up along the side of the square.

The result is shown in the attached image.

Answer:

Corn

Explanation:

Answer:

Receptors provide information to nervous system about missing cells.

Explanation:

Your body know when cells are missing due to nervous system. The network of nervous system spreads throughout human body which provide information about what is going on in the body. If the cells are missing due to injury, the nervous system gives instruction to the body to produce more cells and transported that cells to the region where these cell are required. So receptors are responsible to provide information to nervous system about missing cells.

The body knows cells are missing as a result of the receptors sending

to the central nervous system.

The human body consists of cells which have neurons. These neurons are

responsible for the passage of messages and information to other parts of

the body.

When a cell is missing from the body, signals are passed to the central

nervous system which consists of the brain and spinal cord and they then

relay impulses which helps to fix the issue so as to ensure optimal

functioning of the body.

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Answer:

A DNA mutation causes sickle-cell anemia.

Explanation:

Sickle cell anemia is caused by a single code letter change in the DNA. This in turn alters one of the amino acids in the hemoglobin protein. Valine sits in the position where glutamic acid should be. The valine makes the hemoglobin molecules stick together, forming long fibers that distort the shape of the red blood cells, and this brings on an attack.

Answer:

Catalyze biochemical reactions.

Explanation:

Hello,

In this case, it is widely known that enzymes are able to take substrates or reactants to their active sites, in order to catalyze a raft of biochemical reactions by which products that are not usually formed under typical conditions are formed, and then allow them to dissociate from the surface of the enzyme. Such combination formed by an enzyme and its substrates is called the enzyme–substrate complex which is further taken to the isolated product.

Regards.

Answer:

Dry ice is the solid form of carbon dioxide (CO2). The particle interaction in dry ice is due to collision between inter-particles which results in agglomeration and shows the properties and behavior of dry ice.

The inter-particle collision in dry ice keeps the high temperature of dry-ice and make it sublimate (solid to gas) at room temperature and normal pressure.

The collision of carbon atoms in dry ice also makes it highly reactive and shows chemical properties of dry ice. When dry ice is added with magnesium, it left black powder, which is carbon

Answer:

The specific heat capacity represents the amount of energy, in joules, that it takes to raise the temperature of one gram of a given substance by one degree Celsius. Put more simply, the amount of energy it takes to raise a quantity of water by one degree Celsius would raise an equivalent quantity of sand by a little over 14 degrees. Likewise, sand does not need to lose nearly as much energy as water to produce equivalent cooling. Since it "holds" a lot less energy, it cools down much faster than sand.

Indeed, liquid water has an unusually high specific heat capacity. Because it is much less prone to temperature swings than other common substances, large bodies of water often work to moderate temperatures in a region. This helps to explain, for example, why average temperatures fluctuate very little over the year in San Francisco, a cit

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Answer:

Some rare autotrophs produce food through a process called chemosynthesis, rather than through photosynthesis. ... Instead, they make food using energy from chemical reactions, often combining hydrogen sulfide or methane with oxygen.

Answer:

1. Maurice Wilkins

2. Rosalind Franklin

3. Linus Pauling

4. Erwin Chargaff

5. James Watson

6. Francis Crick

7. Rosalind Franklin

8.

Explanation:

1. Maurice Hugh Frederick Wilkins was a British scientist,  both a molecular biologist and physicist. He made an outstanding contribution to the scientific discovery of the DNA structure. He is well known for his work in the 1940s at King's College in London, where he used optical spectroscopy to understudy the structure of the DNA.

2. Rosalind Elsie Franklin was an expert x-ray crystallographer and chemist, she contributed immensely to the understanding and discovery of the DNA structures as well as the molecular structure of coal, RNA and viruses.

3. Linus Carl Pauling was an American scientist who made a huge impact in the field of molecular biology, he played an important role in the molecular modelling of proteins and this helped in further understanding the DNA code.

4. Erwin Chargaff was an American scientist who formulated the Chargaff's rules and his experimentations helped to show that the ratio of adenine in a DNA molecule was equivalent to the ratio of thymine, as well of the ratio of guanine in a DNA molecule was equivalent to the ratio of cytosine.

5. James Watson and Francis Crick both worked in the Cavendish Laboratory to elucidate the 3- dimensional structure of the DNA.

6. Maurice Hugh Frederick Wilkins along with James Watson and Francis Crick won the Nobel Prize for Physiology in 1962 for their discovery of the molecular structure of the DNA.

7. Rosalind Elsie Franklin was an English scientist and x-crystallographer was famous for "photo 51", this helped to first prove that the DNA was a double helix structure.

8. Rosalind Elsie Franklin worked out mathematically what a helical defraction should look like in an x-ray defraction photo.