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OverLord2011 [107]
3 years ago
12

Difference between emphysema and chronic bronchitis

Biology
1 answer:
Luba_88 [7]3 years ago
5 0
The difference is that emphysema and chronic bronchitis are different types of chronic obstructive pulmonary disease (COPD).  <span />
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The portion of the brain that is sometimes referred to as the hindbrain is the:
notsponge [240]
I believe this would be the cerebellum.  This part of the brain is used for motor control like moving the fingers say and cognitive functions (to do with thinking) and also can affect the feelings of pain and pleasure. 
6 0
3 years ago
On what characteristic of an organism does natural selection exert pressure?
Pie

Answer: option D.

Phenotype

Explanation:

Theory of natural selection shows that different organism survive, adapt and reproduce in their environment due to their different phenotypic variation. The phenotypic variation exist among individual organisms and it is heritable which is transfer from one generation to another.

Phenotype are traits or physical characteristics or observable characteristics of organism e.g organisms appearance, behavior e.t.c.

8 0
3 years ago
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By pairing the ringing of a bell with the presentation of meat, Pavlov trained dogs to salivate to the sound of a bell even when
Mama L [17]

Answer:

Unconditioned stimulus.

Explanation:

Classical conditioning may be defined as a type of learning procedure in which the biological procedure is used to pair up with the previous nerve stimulus. This stimulus result in the response of an individual.

The Pavlov experiment with the dog explains the process of classical conditioning. The ringing of bell (conditioned stimulus) is paired with unconditioned stimulus (meat presentation).

Thus, the meat presentation is unconditioned stimulus.

3 0
3 years ago
What do you mean by germ cell<br><br>​
Svetach [21]

Answer: they are sex cells

Explanation:

  • organisms have two types of cells: somatic(body) cells and germ(sex) cells.
  • Somatic cells are basically all cells <em>except</em> for germ cells.
  • This is a very general summary of the two.

6 0
3 years ago
When a newly formed cell enters into interphase and begins conducting metabolic functions, it is in _____. G0 phase G1 phase G2
Ratling [72]
<span>When a newly formed cell enters into interphase and begins conducting metabolic functions, it is in G1 phase.</span>
7 0
3 years ago
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