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Andrej [43]
3 years ago
13

Which lists four common methods of seed dispersal? clouds, water, soil, popping rocks, organisms, clouds, wind popping, clouds,

wind, rocks wind, water, organisms, popping
Biology
1 answer:
wariber [46]3 years ago
7 0

Answer:

it’s d

Explanation:

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According to slide 12, what is the relationship between opportunistic infections and the number of T cells a person has? Explain
podryga [215]

Answer:

The fewer number of T cells a person has, the more chances to be affected by an opportunistic infection. When the number of T cells reaches 200 cells/µl, the person is at risk of being infected by other infections.  

Explanation:

The whole immune system of a person who is infected with HIV infection seems to be severely affected.  When the person is not treated or the disease is in a very advanced stage, the depletion of the T- cells turns to be very sharped, especially CD4+ T cells. At this point, the immune system can not resist the attack of other microorganisms. The <em>lower is the number of CD4+ T Cells, the higher possibility the person has to be attacked by opportunistic infections. </em>

Classically, it has been suggested that opportunistic infections appear after the CD4 + T lymphocytes reach very low levels, such as 200 cells/µl. The number of circulating T cells can be used as an indicator and a measure of global "immune competence", and the previously mentioned amount of CD4 + T cells is an accepted universal reference used to predict the risk of having one of these opportunistic infections.

8 0
3 years ago
How does an object that feels cold to the touch contain thermal energy
mote1985 [20]

Answer:

it has thermal energy but at a less amount.

Explanation:

like know how heat transfers to hight tempter to low. some thing like that

8 0
3 years ago
A park bench gets hot on : sunny day due to
andrezito [222]

Answer:

C

Explanation:

...

7 0
2 years ago
What does semiconservative replication refer to?
forsale [732]

Answer:

it is a

Explanation:

Both strands are new in each new DNA molecule.

6 0
2 years ago
How is pandemic flu different from seasonal flu? It is caused by bacteria. It can cause widespread death. It may seriously impac
mr_godi [17]
B. It can cause widespread death 

it can also

C. It may seriously impact healthy adults.

flu is caused by a virus (influenza) NOT bacteria
Vaccines are made, but may not necessarily be available for a pandemic right away (takes time to develop).
5 0
3 years ago
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