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Arlecino [84]
2 years ago
6

Which of the following is not a function of the pili?

Biology
2 answers:
elena-s [515]2 years ago
8 0

Answer:

B. Aligning chromosomes on the equator during mitosis

Explanation:

hope this helps

wolverine [178]2 years ago
3 0
C, Aligning chromosomes on the equator during mitosis
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The photosynthetic activity of desert plants is often reduced in the middle of the day. What is the most reasonable explanation
Triss [41]
D. the <span>stomata close to preserve water and gas exchange decreases.</span>
5 0
2 years ago
An action potential triggers the release of synaptic vesicles into the synaptic cleft by _____ channels, allowing _____ ions to
noname [10]

Answer:

1. opening Voltage gated channels

2. Calcium

Explanation:

The signals are transmitted in the neurons in the form of electrical signals and which are transformed into the chemical signals at the synaptic cleft.

The electrical signal is transformed into a chemical signal when the electrical impulse reaches the terminal of the axon and opens the calcium voltage channels. The calcium which is present in a higher amount than inside enter into the terminal and allows fusion of the synaptic vesicle carrying neurotransmitter and the neurotransmitter is released into the synapse.

The neurotransmitter then binds the receptors and initiates the electrical impulse in the postsynaptic neuron.

Thus, opening Voltage gated channels and Calcium is the correct answer.

7 0
3 years ago
Which of the following is NOT a distinguishing characteristic of prokaryotic cells? A) Their DNA is not enclosed within a membra
Setler [38]

Answer:

The answer is:

E. They lack a plasma membrane.

The reason is that the plasma membrane is actually a very important part of their cell. Hope that helps! :)

4 0
3 years ago
A. Measles generates a weak immune response that allows reinfection of hosts, and therefore does not easily evolve escape varian
Doss [256]

The correct answers are:

b. Human influenza a virus evolves escape variants, resulting in a distinctive cactus-shaped phylogeny.  

All types of Human influenza viruses evolve to escape immunity induced by prior infections and vaccinations.

c. Measles experiences strong selection for escape variants, resulting in a phylogeny similar to a nonpathogenic species.  

As a result of measles infection, specific antibody and CD4 and CD8 T cell responses are generated and contribute to virus clearance and protection from reinfection.

 


3 0
3 years ago
Forces in the earth's crust, describe the rock layers
svetlana [45]

Answer:Sandstone and shale are sedimentary rocks. Dynamic geologic forces created Earth's crust, and the crust continues to be shaped by the planet's movement and energy. Today, tectonic activity is responsible for the formation (and destruction) of crustal materials.

Explanation:

Sandstone and shale are sedimentary rocks. Dynamic geologic forces created Earth's crust, and the crust continues to be shaped by the planet's movement and energy. Today, tectonic activity is responsible for the formation (and destruction) of crustal materials.

8 0
3 years ago
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