Why are enzymes necessary?

2 answers:

6 0

Without enzymes, proteins that control the speed of chemical reactions in your body would take place too slowly to keep you alive. For example, the enzymes in your gut break down large molecules into smaller ones.

ddd [48]2 years ago

5 0

to act as a catalyst in chemical reactions

This is the answer because an enzyme speeds up the rate of the reaction, as a catalyst also does this job.

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When you are on the roller coaster at Carowinds, your adrenal cells near the kidneys

kicyunya [14]

Answer:

D. Cell signalling which is released by one type of cell and acts upon a different cell

Explanation:

According to this question, adrenal cells near the kidney releases an hormone called ADRENALINE, which causes the cells of the heart to beat faster. This is an example of CELL SIGNALLING because chemical signals released by adrenal glands causes/triggers a response in the heart cells.

The chemical signal released by the adrenal cells is the ADRENALINE HORMONE, which induces a response in cells that are different from the cells of release (adrenal cells).

5 0

2 years ago

Why are some diseases more common in certain groups of people, such as caucasians or African Americans

Anna71 [15]

Answer:

Some diseases are more common in certain groups of people, such as Caucasians or African Americans because individuals in such ethnic groups often share certain alleles (versions of their genes), that have been passed down to them from common ancestors and a particular genetic disorder may be more frequently seen in such groups if one of these shared genes contains a disease-causing mutation.

Explanation:

Some genetic diseases are frequently seen in certain ethnic groups like Caucasians or African Americans. Individuals in such groups often share certain alleles (versions of their genes), that have been passed down to them from common ancestors and one of these shared genes may contains a disease-causing mutation.

Examples of certain genetic disorders that are more common in particular ethnic groups include the Tay-Sachs disease, which is more common in people of eastern and central Europe (Ashkenazi), Jewish or French Canadian ancestry and the sickle cell disease, which occur among people of African, African American, or Mediterranean heritage.

Some genetic disorders are more common in people whose ancestry can be traced to a particular geographic area. The factors that can lead to development of populations with very different genetic allele frequencies include their geographic origin, selection, patterns of migration, historic events, etc. Certain natural barriers like oceans and other water bodies, high mountains, large deserts, or major cultural factors had prevented communication and interaction between people. So mating was restricted within the group, and this produces genetic marker differences and differences in the presence of specific disease-related alleles.

6 0

2 years ago

Which structures are similar in function, but do not indicate that the organisms are related?

GaryK [48]

Answer:

analogous structures are similar in function but different structure

Explanation:

this is because they serve the same function.

8 0

3 years ago

Read 2 more answers

PLEASE HELP!!!!!

Aliun [14]

The air outside your body because when you tried to hold your breath the pressure builds and forces your body to breath by letting out the air but depending the altitude you are the pressure can change hope this helps

7 0

2 years ago

How is a country’s economy affected by uneven distribution of resources

xeze [42]

Such unequal distribution of resources was commonly related to land for agriculture, necessary for population growth.

8 0

3 years ago