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Nataly_w [17]
3 years ago
12

What invention allowed scientists to study cells for the first time? A- telescope B- scanning electron microscope (SEM) C- light

microscope D- camera​
Biology
1 answer:
Snezhnost [94]3 years ago
6 0
C. light microscope
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Botulism is caused by ingestion of a proteinaceous exotoxin; therefore, it can easily be prevented by
hammer [34]

Botulism can easily be prevented by boiling food prior to consumption.

<h3>What is Botulism?</h3>

Botulism may be defined as an imperative food poisoning that is provoked by botulinum toxin delivered in food by a bacterial species clostridium botulinum.

Clostridium botulinum inhibits the release of acetylcholine in the neuromuscular junction and causes defects in sensory perception through the central nervous system.

It can only be prevented by taking the proper boiled food prior to consumption.

The complete question is as follows:

  • boiling food prior to consumption.
  • administering antibiotics to patients.
  • not eating canned food.
  • filtering food.
  • preventing fecal contamination of food.

Therefore, the correct option for this question is A, i.e. boiling food prior to consumption.

To learn more about Food poisoning, refer to the link:

brainly.com/question/2192816

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4 0
2 years ago
What structure is the outermost, dense covering around bone?
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Answer:

SADSFADVADVADADVADVADVADVADVADVADVADADADSVADVADADSVADVADAVVVVVVVVVVVVVVVVVVVVVVVVVVVV

Explanation:

6 0
3 years ago
Cholesterol is repelled by water and can be found between the layers of the phospholipids in the plasma membrane. What can be co
Zarrin [17]

Answer:

The correct answer is cholesterol is nonpolar.

Explanation:

Cholesterol is a complex lipid is synthesized from acetyl CoA.cholesterol is an important constituent of plasma membrane.

     Cholesterol is non polar in nature.As a result cholesterol is repelled by water and can be found between the layers of the phospholipid in the plasma membrane.

   As cholesterol is non polar it is also hydrophobic in nature.

8 0
3 years ago
We have talked about the central and peripheral nervous systems. We know that the peripheral nervous system relays signals to an
JulsSmile [24]

Answer:

  1. The peripheral nervous system has - Somatic nervous system and Autonomic nervous system.
  2. These systems control our body action by this controls all the types of muscles.

Explanation:

  • Somatic nervous system have -  Cranial nerves and  Spinal nerves
  • Autonomic nervous system have -   Sympathetic and  Parasympathetic  system.
  • The somatic nervous system controls our voluntary and involuntary actions by cranial and spinal nerves and controls all three types of muscles such as cardiac, smooth and skeletal.
  • The autonomic nervous system controls the involuntary actions of our internal organs.
  • The sympathetic and parasympathetic system relates to all types of muscle.
  • The sympathetic and parasympathetic system accelerates and decelerates the heart beat respectively, by this controls the cardiac muscle.
  • The sympathetic and parasympathetic system stimulates and relaxes our internal organs respectively, by this controls the smooth muscles.
  • The sympathetic and parasympathetic system prepares our body as a whole for a action and also relaxes our whole body respectively, by this controls the skeletal muscles.

5 0
3 years ago
"Brown eyes are dominant over blue eyes. If two brown eyed parents have a child with blue eyes, what does it mean about the pare
jenyasd209 [6]

Answer:

Because brown (B) is dominant over blue (b). Two parents who are Bb and so have brown eyes each have a 50% chance of passing a b to their child. ... By the old genetic rules, two blue-eyed parents would both be bb and so could only pass b to their kids.

Explanation:

3 0
3 years ago
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