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NemiM [27]
2 years ago
6

What is the Cell Theory , and what is it about ?

Biology
2 answers:
Annette [7]2 years ago
7 0

Answer:

Basic unit of life is cells

PolarNik [594]2 years ago
7 0

Answer:

The Cell Theory Is a Biology Unifying Principle

Explanation:

According to the cell theory, all biological entities are made up of cells; cells are the basic unit of life, and all life originates from pre-existing life. The cell theory is now so well-established that it serves as one of biology's unifying principles.

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2. Are viruses alive? Why or why not?
drek231 [11]

Answer:

Yes.

Explanation:

A virus is a dangerous cell. And cells are alive. The nucleus in the cell gives it it's "life" by controlling what the cell does at all times. The nucleus is like our brain or heart, you could say,

3 0
3 years ago
Read 2 more answers
Water molecules diffuse through the cell membrane through aquaporins. How are these proteins helpful in osmosis?
romanna [79]

Answer:

Aquaporins acts as water channels that conduct water to and fro cell membrane during osmosis

Explanation:

Osmosis is a type of cellular transport in which water moves from a region of low solute concentration to a region of high solute concentration through a semipermeable membrane. The osmotic process occurs with the aid of selective protein channels called AQUAPORINS. They allow only the passage of water and prevent that of ions and solutes.

Aquaporins help in the osmotic process by creating a channel for the passage of water molecules across the membrane. In other words, aquaporins facilitate the speedy movement of water molecules across membranes via osmosis, which is normally slow due to the POLARITY OF WATER MOLECULES.

5 0
3 years ago
when a parent amoeba divides into two daughter amoebae, then does that mean the parent dies? if i get a good ans ill make u brai
Svetradugi [14.3K]

Answer:

No, the amoeba does not die, it simply transforms into the daughter cells.

Explanation:

The parent cell copies its genetic material and divides. This process is not going to kill the amoeba who went through it.

7 0
3 years ago
Im bored and got to use my points up i might not be coming back anytime soooon so How could you use the physical properties of m
V125BC [204]

Answer:

Mixtures can be physically separated by using methods that use differences in physical properties to separate the components of the mixture, such as evaporation, distillation, filtration and chromatography.

Explanation:}

3 0
3 years ago
Describe how the gamete cells are different from a parent cell.​
Fudgin [204]

Answer:

Gametes are haploid cells, and each cell carries only one copy of each chromosome. ... During meiosis, a diploid parent cell, which has two copies of each chromosome, undergoes one round of DNA replication followed by two separate cycles of nuclear division to produce four haploid cells.

7 0
3 years ago
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