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2 years ago

1. A student conducted research about the roles of molecules in metabolic processes

Biology

1 answer:

Vlada [557]2 years ago

5 0

Answer:

Enzyme- Peptidase/protease

Explanation:

According to this question, a student is conducting an experiment to determine the roles of molecules in metabolic processes such as digestion. Based on what she found out that the molecule, which itself can be broken down into amino acids, can also break down proteins into amino acids, this suggests that the molecule being described is a PROTEOLYTIC ENZYME.

This is because an enzyme is made up of proteins which can be denatured or broken down into its simplest unit (amino acids) and also, a substance that breaks down amino acid is said to be PROTEOLYTIC.

However, another observation that the molecule is found in high concentrations in the small intestine was made, hence, the enzyme is a PEPTIDASE OR PROTEASE, which are secreted into the small intestine by the pancreas to aid digestion of proteins.

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Some cancers are caused by mutations that stop certain proteins from working. The inactivation of whát kind or protein could lea

77julia77 [94]

Answer:

The inactivation of one protein that slow down the cell cycle could lead to cancer. (option b).

Explanation:

The cell cycle is the process a cell undergoes when it divides during its life. This process includes a control mechanism to prevent normal cells from replicating more than normal, called cell cycle regulation.

In oncogenesis - the formation of malignant tumours - many factors induce the abnormal growth of a tissue by the abnormal multiplication of the cells that form it, leading to cancer. One of these factors may be a mutation in the DNA that prevents the production of regulatory proteins.

The mutation that produces exaggerated cell growth -and which can eventually lead to cancer- can create defects in a specific regulatory protein that slow down the cell cycle, so that exaggerated and uncontrolled cell replication occurs.

Once a tumor tissue has formed, successive mutations will lead to a lack of cell differentiation, the property of forming blood vessels, the ability to invade tissue and lose its apoptosis mechanism, that characterizes cancer cells.

Learn more:

Cyclines in cell cycle regulation brainly.com/question/6821354

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3 years ago

The intricate plumage of male birds of paradise has become increasingly elaborate throughout their evolution due to females mati

jekas [21]

Answer:

3. sexual selection

Explanation:

Because artificial selection is the one made by humans like dog breeds.

Disruptive selection is when extreme values for a trait in a population are favored like big and small sizes. Stabilizing is when the trait is pushed towards the average. Sexual selection is when the trait aids in competition among individuals for access to preferred mates.

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3 years ago

Owls eat voles (a relative of mice); voles eat grass and seeds. Which food chain is correct

snow_lady [41]

Owls eat voles than voles eat grass because voles live in grassy lands

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3 years ago

Which of these is a simple carbohydrate? A) meat B) cheese C) honey D) pasta

WARRIOR [948]

Answer:

D) Pasta

Explanation:

It has a lot of starch and ot turns into gluten. It's a wheat product and the others arn't.

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2 years ago

Read 2 more answers

Suggest two factors other than, food supply,which determine the number of organism of a specie in a particular community

Goshia [24]

1- Emigration and immigration rate
2- Death rate and birth rate
These factors determine and affect the number of organisms of a species in a particular community. Hope this helps!

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2 years ago