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ikadub [295]
3 years ago
12

The little brain attached to the rear of the brainstem is called the

Biology
1 answer:
Mashutka [201]3 years ago
4 0
The answer is Cerebellum
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Elevated carbon dioxide levels have been shown to contribute to the greenhouse effect, resulting in an increase in mean global t
andrew-mc [135]

Answer:

C

Explanation:

Ice-covered surfaces are highly reflective of the sun's rays therefore prevent those areas from warming as much as the areas where the ice is replaced with darker, less reflective surfaces which absorb heat and thus contribute more to global warming. Albedo is the percentage of radiation reflected by the earth's surface. Clear surfaces have greater albedo values than dark surfaces.

7 0
3 years ago
Metabolic pathways can be controlled through the availability of enzymes and modulation of their catalytic activities. Enzyme av
postnew [5]

Answer: a) substrate and cofactors b) covalent modification

Explanation:

Metabolic pathways involve all the chemical processes takes place in the enviornment or in an organisms.The metabolic pathways are controlled through the catalytic activities of enzymes.

The availability of enzyme is regulated  by substrate and cofactors present in enzyme and enzyme activity is commonly regulated via covalent modification.

Enzymes are highly selective in nature and bind to a specific substarte only. The active site in enzyme binds with the substrate to form enzyme substrate complex. Coactors assist the enzyme activity, without cofactor enzyme can not perform its activity.

Hence enzyme availibility is regulated by  substrate and cofactors regulates.

Covalent modifications regulates activity of enzyme as it involves addition and removal of chemical group to synthesis required protein. It can change the chemical properties of the site by targeting one or multiple amino acid.

Thus the correct answer is a) substrate and cofactors b) covalent modification

8 0
3 years ago
_____ refers to the properties of a person that determine his or her classification as male or female.
earnstyle [38]
Genitalia or chromosomes but me being a transgender that isn't particularly the case
4 0
3 years ago
The number of drunk driving fatalities has _____ in the last twenty-five years.
trapecia [35]
 Just by using current knowledge of our society today, this question explains itself for the answer choice of A. Teens think that they are capable of driving even though they only had "a few drinks". This is also the case with adults, because not all adults are responsible. Hope this helped!
3 0
3 years ago
Scientists developed the ________ model after their studies of the fossil record revealed that some species appear quite suddenl
tatuchka [14]

Answer:

Punctuated Equilibrium

Explanation:

The phyletic gradualism model and the punctuated equilibrium are aspects models of macroevolution that are characterised with varying patterns.

However, the punctuated equilibrium model of evolutionary history consists of geologically long periods of inactivity (stasis) with little or no evolution, interrupted or "punctuated" by geologically short periods of rapid evolution.

6 0
3 years ago
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