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blagie [28]
3 years ago
9

Which is an example of non-specific immunity?*

Biology
1 answer:
SVETLANKA909090 [29]3 years ago
6 0
Memory B cells are produced
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In what ways are autorhythmic fibers similar to and different from contractile fibers?
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I think Autorhythmic fibers are fibers that are self excitable or on their own for example some cardiac muscle. They  repeatedly generate action potentials that trigger heart contractions.They continue to stimulate a heart to beat even when it is removed from the body. In comparison to contractile fibers, autorhythmic fibers are self excitable and do not require nervous system stimulation to trigger contractions. Contractile fibers have stable resting membrane potentials of -90mV, when a contractile fibers reaches threshold by action potential, the voltage gated fast sodium ions channels will open. 
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3 years ago
.. Which of the following mutations would have the potential to affect future generations of
ch4aika [34]

Answer choices:

  • A frame shift mutation in the X chromosome of a cheek cell
  • A chromosomal mutation in the Y chromosome of a kidney cell
  • A point mutation in the first chromosome of a sperm cell
  • A substitution mutation in the third chromosome of a uterus cell

Answers:

A point mutation in the first chromosome of a sperm cell

Explanation:

Only mutations that affect the germ line are passed on to the next generation. Therefore, only mutations in the egg and sperm of an individual have the potential to affect the next generation.

Mutations in cheek cells, kidney cells, and uterus cells might cause cell death or cancer. This genetic material is not passed on to the next generation, only the egg and sperm contribute this material. Therefore, only mutations here will affect the generation.

4 0
2 years ago
Which step of the scientific method do you perform after you collect d
vredina [299]

Answer:

D

Explanation:

  • D. Forme hypothesis

  • You will find an arrangement in the image

8 0
2 years ago
How soon do adult blowflies typically start appearing on a body after the person has died?
sladkih [1.3K]
Blowfly eggs can be found in moist areas of a body within 8 hours of death. However, it won't be until the 21st-24th day the pupa cases will split open and adult blowflies emerge. 
7 0
3 years ago
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What dietary changes would facilitate food intake for those with oral cavity problems?
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Answer:

Good oral health and diet

fruits. vegetables. lean sources of protein such as lean beef, skinless poultry and fish; dry beans, peas and other legumes. low-fat and fat-free dairy foods.

Explanation:

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