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navik [9.2K]
3 years ago
10

Sperm are the only human cells to have

Biology
1 answer:
Mila [183]3 years ago
7 0
No first of all women have egg cells. Second of all we all have red blood cells, white blood cells, and platelets.
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Explain the term "molecular clock" and describe the types of measurements and comparisons that can be made with this type of clo
arsen [322]

Answer:

In biology, a molecular clock can be described as a method to determine the time for the divergence of species which occurred by the process of evolution.

Explanation:

The mutation rates of different molecules are used in this method. The mutation rates for DNA sequences and amino acid sequences are usually considered. The molecular clock can be used to compare and estimate the splitting of a lineage. For example, by this method, one can interpret when the chimpanzees and humans diverged from each other.

Hope this helped!

-Toshino

5 0
3 years ago
In _______ a population isolated by a geographic barrier becomes a new species as it accumulates changes by natural selection or
Mashcka [7]

Answer:

The correct answer is allopatric speciation.

Explanation:

Allopatric speciation occurs when a geographical barrier comes between a species population living in the same area. This geographical barrier separates the population into two different geographical area which do not have the same condition.

So as both the separated population get different habitat environment to live so they evolve differently from each other. So natural selection and genetic drift works differently in both the population which brings genetic changes in the population and helps in creating a new species.

3 0
3 years ago
A doctor treats a patient with a skin condition with different creams to see which is most effective. What is the independent va
kupik [55]

Answer:

1. Skin Creams

Explanation:

An independent variable is the only variable that is changed while the rest is kept the same. In this setup, the doctor is using different creams on the same patient with the same skin condition so the independent variable is the skin cream and not the skin condition.

7 0
2 years ago
Fats are a primary example of which class of biomolecule? *
dedylja [7]

Answer:

Lipids

Explanation:

Lipds are fats

Have a good day

Give me brainiest if possible

6 0
3 years ago
The simultaneous processing of information on separate conscious and unconscious tracks is known as _____ processing.
Sergeu [11.5K]
I think is serial conscious processing
3 0
3 years ago
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