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TiliK225 [7]
3 years ago
10

Molecular clocks are models that use mutation rates in dna to measure evolutionary time. true or false

Biology
1 answer:
Alexandra [31]3 years ago
3 0
The statement is true.
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Harlamova29_29 [7]

Why are the seminal vesicles important for human reproduction?

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The seminal vesicles (Latin: glandulae vesiculosae), vesicular glands, or seminal glands, are a pair of simple tubular glands posteroinferior to the urinary bladder of some male mammals. Seminal vesicles are located within the pelvis. They secrete fluid that partly composes the semen.

They pass through the prostate, and open into the urethra at the seminal colliculus. During ejaculation, semen passes through the prostate gland, enters the urethra and exits the body via the urinary meatus.

I believe that the answer is:

A. 

They allow the sperm to travel to the urethra to be released.

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3 years ago
Which tissue layer of a woody stem contains active xylem?
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The answer is cambium
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B - Only the Neutrons are involved in the fission reaction
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Which of the following sense organs responds to chemical stimuli?
natima [27]
The correct answer in this question is letter B. Taste buds that are located at the tongue recognize some dissolved chemicals from the food for taste perception. Examples are hydrogen ions giving off sour taste, carbohydrates for sweet taste, magnesium ions give off bitter taste, sodium ions for salty taste and monosodium glutamate for umami taste.
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4 years ago
Which of the following correctly describes contrasting features of a plant cell and an animal cell?
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C.Plant cells have a large central vacuole that takes up most of the cell's space, and animal cells have many smaller vacuoles.


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