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Free_Kalibri [48]
3 years ago
8

Cholera develops when the bacterial toxin

Biology
1 answer:
Lady bird [3.3K]3 years ago
7 0
Cholera develops when the bacterial toxin prevents G-protein inactivation , which leads to the continuous production of cAMP.
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Which genetically engineered medicine is a hormone that controls the level of glucose in humans?
aev [14]
If you think about a diabetic, when the blood sugar levels, also known as glucose levels, drop. The body will need Insulin to correct it so the answer will be “insulin”
8 0
3 years ago
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How does the structure of each type of neuron relate to its function in the nervous system?
Sonbull [250]

Answer:

Motor neurons:

A. Function:

It relay messages coming from the brain or spinal cord to the muscles or organs.

B. Structure:

●Presence of long axons due to long distances the signals have to travel to the muscle its stimulating.

●It's myelinated, to assist the signal in travelling long distances as soon as possible.

Sensory neurons:

A. Function: its sensory receptors respond to stimuli by converting it into an electrical signal to the brain or spinal cord.

B. Structure:

●Presence of long dendrites / axons

● its myelinated

●since it's found in the middle of the neuron it forms ganglia that unites in the spinal cord and aid in involuntary reflexes.

Interneurons:

Structure:

● shorter than motor or sensory neurons

● has branches, a lot of branches consisting of axons and dendrites off the cell body to enable multiple simultaneous between neurons

● It's body is partially myelinated.

●occurs in large clusters of neurons to compensate for its partial myelination to speed up the signal

8 0
3 years ago
Assume that an organism exists in which crossing over does not occur, but that all other processes associated with meiosis occur
MakcuM [25]

Answer:

Option (e).

Explanation:

Meiosis may be defined as the process of cell division in which a single parent cell divides into four daughter cells. The chromosome number reduces to half in meiosis.

Crossing over is the process of exchange of genetic material between the homologous chromosomes of the non-sister chromatids. Crossing over will bring variation in the gametes. Hence, the absence of crossing over results in the formation of gametes with less genetic variation.

Thus, the correct answer is option (e).  

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3 years ago
How is the cytoplasm divided between the two cells that result from mitosis in plant cells? In animal cells?​
Degger [83]

Answer:

The contractile ring shrinks through the center of the cell, evenly dividing the cytoplasm between the two halves. This indicates that cytokinesis is completed and the cell has been replicated.

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3 years ago
Which benefit of ice on the surface of a lake is most helpful to fish
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A layer of ice on the surface keeps the water temperature warmer than the air temperature.
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