Voluntary control of skeletal muscles is provided by the

Biology

1 answer:

lord [1]3 years ago

5 0

The correct answer is: b. corticospinal pathway

The corticospinal pathway is a motor pathway that starts at the cerebral cortex and terminates on lower motor neurons and interneurons in the spinal cord. Its function is to control the movements of the limbs, directly and voluntary.

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Populations of organisms that have sigmoid growth curves limited by the carrying capacity are called

nasty-shy [4]

Populations of organisms that have sigmoid growth curves limited by the carrying capacity are called K-selected.

Species are divided into two selected species, R-selected species and K-selected species. K-selected species are also called K-strategist. These are the species whose populations vary at or near the carrying capacity (K) of the environment in which they live.

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3 years ago

Which of the following is an unsual nucleoside that is found in tRNA but not mRNA?

gizmo_the_mogwai [7]

Answer:

Inosine

Explanation:

Inosine the unusual nucleoside which is found in tRNA but not in mRNA.
Inosine is derived from the nucleoside adenosine, adenosine is present in mRNA, however in case of tRNA, there is deamination of adenosine and thus, inosine is formed.
The enzyme that is responsible for carrying out this reaction is called as tRNA A:34 deaminases, here the position 34 indicates that the deamination takes place at position 34 of the tRNA.
The formation of inosine is essential for the wobble base pairing to take place.
The formation of inosine takes place when the hypoxanthine attaches to a ribose ring with the help of the beta glycosidic bond.

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3 years ago

A compound microscope can

ale4655 [162]

A .magnify an object up to 10 times and uses two lenses.
or
C magnify and object up to 400 times and use more than one lens.

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3 years ago

Read 2 more answers

The diagram shows the life cycle of a Dragonfly. what happens at stage 2.

s344n2d4d5 [400]

Answer: A

Explanation: