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prisoha [69]
3 years ago
8

Passive transport is the act of a molecule moving freely down its concentration gradient. true or false

Biology
1 answer:
raketka [301]3 years ago
5 0
True in passive transport molecules move along concentration gradient from high to low concentration
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Nerve cells form long projections called ________.<br><br> soma<br> axons<br> dendrites<br> synapses
sergiy2304 [10]

Answer:

The correct answer is the second option axon.

Explanation:

Neurons or nerve cells is a cell that transfers electrical signals. Nerve cells are the structural and functional units of the human nervous system. Every nerve cell is made up of 3 parts, a cell body called soma, dendrites and an axon.

The soma or cell body forms an elongated projection, called axon. Axon is responsible for sending electrochemical signals with the help of elaborate ion transport.  Some nerve cells have a myelin sheath covering around the axon to facilitate signals faster.  

Thus, the correct answer is the second option, Axon.

3 0
3 years ago
During a visit to a hospital, a child receives the oral polio vaccine. He then returns to his distant village. Sometime later a
dybincka [34]

Answer:

Because the child was vaccinated against this disease, the germs are not able to travel from one person to the other, and the family in this case, is less likely to get the disease. Even his siblings, that didn't get the vaccine, will get some protection from getting sick. This is known as community immunity.

Explanation:

6 0
2 years ago
Which additional observation would support the conclusion that the deer population is not changing size from year to year, meani
gavmur [86]

Answer:

The presence of predators of deer which does not allow increase in the population of deer year after year.

Explanation:

In an forest ecosystem, one animal controls the population of another organisms and thus there is no increase in the population of that organism and the ecosystem is in equilibrium state. The population of deer did not increase due to the presence of predators such as lion, cheetah etc and the net population is 0.

7 0
2 years ago
Snake bite antivenin is an example of
Neko [114]

Answer:

It would have to be passive immunity

Explanation:

Because active immunity develops after being exposed to the pathogen and its not acquired either because its similar to active and it isn't inborn because that comes from your parents

3 0
2 years ago
Read 2 more answers
An ecosystem is a community of living
alexandr402 [8]
A biome is an area of the planet that can be classified according to the plants and animals that live in it. 5 - 12+ Earth Science, Geography, Physical Geography.hope this helps,got it from google !
3 0
3 years ago
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