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REY [17]
3 years ago
15

What is the difference between a cell wall and a cell membrane

Biology
2 answers:
kicyunya [14]3 years ago
8 0
The cell wall is the outside layer of the cell whereas the cell membrane is surrounds the cytoplasm of the cell.
dusya [7]3 years ago
7 0
Here is your answer:

A cell wall protects the cell from any viruses or diseases from getting into the cell and contamination (or getting the cell sick).

The cell membrane controls the cell tells it what to do basically how are brain tells are body what to do the cell membrane tells the cell what to do.
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The area of land that is drained by a river system
stiv31 [10]

Answer:

River basin is the area of land that is drained by a river system.

Explanation: River basin is also called drainage basin. River basin consist of one main big stream which collects water from many tributaries present on the left and right of the main stream. Water is collected from high ridge areas into these tributaries due to precipitation over there. These high areas is known as watershed. This main stream flows and drain into a river system.

4 0
3 years ago
Pleaseeee help pleaseeeeee
lukranit [14]

Answer:

Meiosis

Explanation:

Meiosis is one of the two types of divisions that cells usually undergo. However, meiosis is unique to sexually-reproducing organisms. Meiosis is the cell division which results in daughter cells with a reduced number of chromosomes (by half). Meiosis is used to produce gametes in sexually reproducing organisms.

According to the question, Labrador retriever contains 78 chromosomes in each of its muscle cells, which is a somatic cell. Since Labrador retrievers are sexually reproducing organisms, a male one will produce gametes (sperm cells) via the process of meiosis. At the end of the meiotic process, sperm cells with 39 chromosomes each will be produced.

5 0
3 years ago
Genetic engineering can ___ crops.
Vesna [10]

Answer: I think its A.Harm

7 0
3 years ago
Read 2 more answers
Why is a turtle slow?
Basile [38]

The main reason is because they are heavy, and because they don't have to chase their food. They're not predators and their shells give them protection like running away gives protection to other herbivores.

7 0
3 years ago
. Statements: (1) Collagen, the most abundant protein in humans, is both a fibrous protein and a glycoprotein. (2) Quaternary st
GuDViN [60]

Answer:

c. Only one of the statements is true

Explanation:

Quaternary structure, the highest level of protein organization in which  association of several protein chains are closely arranged. The protein subunits are attached together by van der Waals forces and hydrogen bonds between nonpolar side chains. it is present in all the proteins which have 80 or more amino acids are present.

Collagen, is most abundant protein in the animal kingdom. It is insoluble fibrous protein present in the extracellular matrix and in connective tissue.

A protein chain has directionality consist of a free amino group at one end, and a free carboxyl group on other end.

Hence, only (2) statement is true the correct option is c.

8 0
3 years ago
Read 2 more answers
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