PLS HELP

1 answer:

7 0

when changes in a protein appear to accumulate at a constant rate over time is called option (c) i.e, Molecular clock.

<h3>What does molecular clock mean?</h3>

The term "molecular clock" refers to a method that estimates the time in prehistory when two or more life forms diverged by analyzing the mutation rate of biomolecules. Typically, nucleotide sequences for DNA, RNA, or amino acid sequences for proteins serve as the biomolecular data for these calculations.

Hedges, a biology professor at Penn State, claims that the molecular clock counts the mutations that accumulate through time in the gene sequences of various species rather than counting seconds, minutes, and hours.

Mutation and recombination, the two fundamental biological processes that give rise to all heritable variations, are the foundation of molecular clocks. Mutations are modifications to the genetic code of DNA, for as when the nucleotide Guanine (G) turns to Thymine (T).

To know more about molecular clocks refer to: brainly.com/question/8597562

#SPJ1

You might be interested in

How does volcanic activity affect climate? Are these examples of short-term or long-term affects?

musickatia [10]

When a volcano erupts , a mixture of gases and particles is released into the air . The cooling influence of an individual volcano will dominate for the period immediately after the eruption but the warming impact will last much longer.

7 0

3 years ago

The ________ functions in the control of movements of the upper legs and the trunk. corticobulbar pathway rubrospinal tract late

GrogVix [38]

The right option is lateral corticospinal tract

The lateral corticospinal tract functions in the control of distal muscles such as those of the limbs and the trunk. About 90% of the fibers that travel in the corticospinal tract are found in the lateral corticospinal tract which makes it the main component of the corticospinal tract.

3 0

3 years ago

This kingfisher's beak can be measured as about 4.2 cm

erik [133]

Answer:

Common Kingfishers measure 17 – 19 centimetres in length, weigh between 34 – 46 grams and have a wingspan of 25 centimetres. Their beak is around 4 centimetres long and pointed. Kingfishers have short, orange coloured legs. Kingfishers are very brightly coloured. The colour of their wings is a blue/green colour and their upperparts, rump and tail are a bright blue colour. Their underparts are bright orange and they have a small, white bib underneath their beaks, on their throats.

Explanation:

6 0

3 years ago

Read 2 more answers

What is a possible effect of leakage of inner ear fluid?

Colt1911 [192]

The correct answer is A) Body imbalance

7 0

3 years ago

Read 2 more answers

Generalized loss of brain tissue that results from direct alcohol toxicity is associated with alcoholic blank______, which is a

kvasek [131]

The correct answer is Alcoholic dementia.

Alcohol-related dementia (ARD) is a type of dementia brought on by prolonged, excessive alcohol use, which damages the brain and impairs cognitive function.

Wet brain, sometimes referred to as Wernicke-Korsakoff syndrome, is another type of ARD that is characterized by short-term memory loss and thiamine (vitamin B1) deficiency.

Patients with ARD frequently exhibit both type's symptoms, such as memory loss, apathy, and impaired planning. ARD may coexist with different types of dementia (mixed dementia). Despite being widely accepted, the diagnosis of ARD is only occasionally used because there aren't any clear diagnostic criteria.

Hence, the patients with generalized loss of brain tissue due to direct consumption of alcohol suffers from alcoholic dementia which causes memory loss and many other problems.

To know more about Dementia visit the link:

brainly.com/question/28466586?referrer=searchResults

#SPJ4

7 0

2 years ago