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Serhud [2]
3 years ago
15

Why does it make sense for scientist to test just one variable at a time in an experiment?

Biology
1 answer:
Fed [463]3 years ago
5 0
If you test more than one variable in an experiment at a time than you wouldn't know what variable caused the change in the end.
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Which of the following statements is FALSE?
Delvig [45]

Answer:

c. Damage to the primary (somatic) motor cortex results in the loss of both voluntary muscle control and all reflexive contractions.

Explanation:

The primary motor cortex is an area in the brain that is responsible for the control and regulation of activities that involves movement of the body as well as the postures they body takes which we also refer to as motor skills.

The primary motor cortex sends signals in the form of nerve impulses to the brain and this in turn helps in the maintenance of the motor skills that is carried out by the body.

Not only does the damage to the primary (somatic) motor cortex results in the loss of both voluntary muscle control and all reflexive contractions, it also causes other losses such as constant contraction of the muscles also know as spasticity, involuntary muscle contraction also referred to as clonus.

5 0
3 years ago
Chromatin fiber is group of nucleosomes right?
Morgarella [4.7K]

Answer:

yes

Explanation:

Nucleosomes fold up to form a 30-nanometer chromatin fiber, which forms loops averaging 300 nanometers in length. The 300 nm fibers are compressed and folded to produce a 250 nm-wide fiber, which is tightly coiled into the chromatid of a chromosome.

6 0
2 years ago
Read 2 more answers
List three different functional types of insect (a) legs, (b) wings, and (c) mouthparts and give an example of each.
Feliz [49]
The legs of an insect are used to taste things walk jump and climb.
wings are for flying and sometimes camouflage 
The mouth parts are for piercing and sucking their prey
7 0
3 years ago
Read 2 more answers
2)Through the action of osteoclasts,
snow_lady [41]

Answer:

Osteoclasts are the type of cells which are responsible for the absorption of calcium from bones.

Explanation:

Osteoclasts is special type of cells which is released by parathyroid gland when the blood have low levels of calcium. Osteoclasts absorb calcium from the bones and add this calcium into the blood to increase the calcium level. If calcium is present in very high amount so this calcium is stored in the bones of the body and extracted when needed by the body.

3 0
3 years ago
Plants use oxygen in respiration.<br> True<br> Or<br> False
MA_775_DIABLO [31]

Answer:

True

Explanation:

very true

4 0
3 years ago
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