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GenaCL600 [577]
3 years ago
13

Assessment.

Biology
1 answer:
mrs_skeptik [129]3 years ago
4 0

Answer:

The first one is correct.

Explanation:

Mitosis is the process of cell division to produce two daughter cells which are identical to the single parent cell.

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Explanation:

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3 years ago
A scientist is observing ___ when he or she is following a series of steps to solve problems.
IceJOKER [234]
I think the answer is the experiment
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Read 2 more answers
WILL IVE BRAIN?? Why might humans not have widespread regeneration abilities?
Murrr4er [49]

Answer: because mammals have more complex biological structures; limb regeneration would require sophisticated controls to ensure that limbs and organs don’t grow out of control.

Explanation:

8 0
3 years ago
One role of the pancreas is to help regulate blood glucose levels. Two types of cells in the pancreas, beta and alpha, serve as
solniwko [45]

1. Regulation of glucose blood levels is an example of negative feedback mechanism.

Negative feedback mechanism is a control mechanism involved in homeostasis maintain, in this case maintenance of glucose blood levels in normal range.

Negative feedback mechanism contains sensory system that detects the changes, control system that responds to change and activates mechanisms of effector system that reverse the changes in order to restore conditions to their normal levels.

• Pancreatic cells-sensors

• Insulin-control system

• Body cells- effector cells

2. Blood glucose levels change throughout the day because of the food consumption, but in healthy individuals levels of glucose are successfully regulated via the mechanism of hormones such as insulin and glucagon in a process called glucose blood regulation.

This tight regulation of pancreatic hormones is referred to as glucose homeostasis. Insulin lowers blood sugar and glucagon raises it.

3. If the beta cells are destroyed by an autoimmune disease (immune system attacks its own cells), there would be no insulin release, and consequently, the glucose blood levels would be increased.

Diabetes type I is a metabolic disorder caused by the destruction of insulin-producing pancreatic beta cells.


7 0
3 years ago
Why do scientists believe the universe is still expanding?
yaroslaw [1]

Answer:

b

Explanation:

I looking at the electro magnetic spectrum I can tell scientists if things are moving toward the Earth or away from the Earth

5 0
3 years ago
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