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Pavlova-9 [17]
3 years ago
8

I need help with number 1 and 2

Biology
1 answer:
amm18123 years ago
5 0
I'm terrible with this stuff. Look it up?
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How does a virus cause disease?
nika2105 [10]

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Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves. This can kill, damage, or change the cells and make you sick. Different viruses attack certain cells in your body such as your liver, respiratory system, or blood.

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Viruses tend to target specific tissues (cells) in the host.

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These bacterial infections are often manifested by the presence of pus wherever the bacteria settle, and systemic symptoms such as fevers, chills, pain, swelling and loss of function occur when bacteria invade and multiply.

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3 years ago
Which of the following statements about plant cell walls is true?
Leya [2.2K]

Answer:

<h2>A </h2>

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1. The cell is present in some type of cells. It is found in plants and bacteria and some others. It is present or found outside the plasma membrane.

2. The functions of cell wall are that it provides tensile strength and protection to the cell against many type of stress. It also plays very important role in many others protections for the cell. There are two layer, named as primary cell wall and secondary cell wall.

3. Composition of Plant cell walls is that they are primarily made of cellulose. Cellulose fibers are linear long polymers of around  100 molecules  of glucose. These fibers cluster into bundles, known as  or called microfibrils. In plants the microtubule cytoskeleton are present, and there function is that they directs the orientation of cell wall as  in which orientation cellulose is deposited in the cell wall.

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Plz HELP ASAP why cant you here sound on the moon
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You can't hear sound on the moon because of space. Space is a vacuum so you can't hear anything unless there is a medium for it to travel through (like air)
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