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lisov135 [29]
3 years ago
13

Help on my last 5 questions. can't afford to get it wrong

Biology
1 answer:
Lynna [10]3 years ago
7 0

Answer:

plants response

Explanation:

all questions about response to plants stimulus

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4. an important role in fungi in an ecosystem is ( 1 point )
vovikov84 [41]
An important role in fungi in an ecosystem is B. Breakind down dead organisms.
6 0
2 years ago
Only green organisms have chloroplasts, so do green frogs and toads have chloroplasts??
Orlov [11]

Answer:

Chlorophyll is a cell that comes from plants not animals.

Explanation:

Chlorophyll is the part of chloroplast and is the light absorbing pigments which provide green color to the plants, but chloroplast traps the solar energy, which is the site of photosynthesis and other chemical reactions and works as the ‘powerhouse of the cell’ like mitochondria.

8 0
3 years ago
A 30-year-ol of HIV with a CD4 cell count of 120 cells (normal, 1000–1500). He had an ulcerating lesion on the side of his tongu
Lady_Fox [76]

HIV is the human immunodeficiency virus. Causer of AIDS, it attacks the immune system, responsible for defending the body from diseases. The most affected cells are CD4+ T lymphocytes. And it is by altering the DNA of that cell that HIV makes copies of itself.

<h3>1. Discuss the pathophysiology of HIV in relation to the reduction of CD4 cells</h3>

HIV binds to a component of that cell's membrane, CD4, penetrating its interior to multiply. As a result, the defense system gradually loses the ability to respond properly, making the body more vulnerable to disease.

<h3>2. Discuss the body's immune response to the virus (HIV)</h3>

The innate immune responses to HIV infection are mainly the intense production of cytokines, such as interleukin (IL)-1 and interferon (IFN)-1, and the activation of natural killer (NK) cells, which can temporarily control HIV replication. through apoptosis of infected cells

<h3>3. Explain the molecular and cellular immune response that leads to the swollen lesion.</h3>

due to the accumulation of primary immune cells and the body's long attempt to fight the infection

<h3>4. Discuss the cellular and molecular immune response that results in enlargement of the spleen and cervical lymph nodes</h3>

An infection from bacteria and viruses, including HIV, can cause swelling of the lymph nodes. The swelling occurs because the infection reaches the nodes through lymph fluid. HIV most often affects lymph nodes around the neck as well as in the armpits and groin.

Learn more about HIV  in brainly.com/question/10667653

#SPJ1

4 0
1 year ago
Compute A population of 100 flowering plants contains 60 plants that are homozygous for orange flowers (OO), 30 plants that are
netineya [11]
O allele 60 + 60+30 = 150
o allele 
30 + 10+10 = 50
O allele frequency = 150/200 = 0.75
Thus, the O allele frequency is 3/4 or 0.75
o allele frequency = 50/200 = 0.25
The o allele frequency is 1/4 or 0.25

5 0
3 years ago
How do the characteristics of shale change with increased pressure and temperature?
dalvyx [7]

Answer: Shale changes into Slate.

Explanation:

Shale is a sedimentary rock, formed by the deposition and compression of clay and silt.

Shale layers is buried deep into the earth through the process of deposition (i.e the laying down of rock forming material by natural entities like glaciers, wind, and water).

Temperatures and pressures rise greatly because the shale’s layers are buried. When the temperatures and pressures become higher. The shale is changed into a metamorphic rock (with dark brown streak), called Slate.

8 0
3 years ago
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