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marishachu [46]
3 years ago
11

Molecules of a shark

Biology
1 answer:
Marysya12 [62]3 years ago
6 0

I have a question are you asking what are the molecules of a shark or something

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Compare and contrast the reasons cell division is important for unicellular and multicellular organisms. 2. Provide an example o
Ganezh [65]

(1)

For unicellular organisms, cell division is important for the reproduction of the population, Unicellular organism mainly use cell division, also called binary fission, for pollution growth. This is because unicellular organisms are only composed of one cell.

Multicellular organisms use cell division for growth and reproduction. Cell division causes increase in the number of cells composing the organism hence its growth in size. Cell division is also used to create gametes that are used in reproduction by fertilization.

(2)

Even in fully developed organisms, cell division is important in tissue repair. In tissue homeostasis, there is a balanced rate of cell division and cell death .  An example in muscles. Due to the stress experienced by muscle cells, they usually have a lower life span and therefore the damaged cells are often replaced with new ones by cell division. This prevents tissue wastage.

(3)

Growth factors signal the growth of a cell. They usually bind receptors on the cell surface and indicate how the cell should grow and divide base don environmental stimuli. An example is during regular exercises. Growth factors indicate that the muscle cells should divide regularly and grow bigger to accommodate the higher stress in the muscles from the workout. This is how your muscles grow bigger and stronger with more exercise.  

(4)

Differentiation of cells occurs through the silencing of some gene allowing the cell to produce particular proteins (and other biomolecules) that align with its functions in the body. This especially critical in multicellular organisms.  An example is that while al the cells in your body have the same DNA, some cells differentiate into liver cells while others into lungs, stomach, heart, and etcetera.  

Learn More:

For more on cell division check out;

brainly.com/question/4365207

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6 0
2 years ago
________ results in the production of spores in plants. meiosis fertilization germination mitosis spermatogenesis
babymother [125]
The answer is Meiosis.
8 0
3 years ago
Explain how x-rays cause damage to human cells.
sergiy2304 [10]

When the human body (its cells) is exposed to radiation (X rays and gamma rays), electrons are emitted from atoms and molecules. ... ・These radicals react immediately with surrounding atoms, causing abnormal chemical reactions (or, minor damage to localized areas of cells).

7 0
3 years ago
Lucille was finding it difficult to play soccer after school. Her doctor tested her cells and found that they contained low leve
Mashutka [201]

Answer:

The Lucille’s cells need Oxygen and glucose in order to function her body properly.

Explanation:

Our body breakdown the glucose using oxygen in order to produce energy.

By respiratory system we inhale oxygen and

By digestive system we digest food into glucose.

Our circulatory system transfer the Glucose and Oxygen to the all cells of our body,

Hence we can conclude that the Lucille’s cells need Oxygen and glucose in order to function her body properly.

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2 years ago
7. The energy of carbohydrates is stored in
LuckyWell [14K]

Answer: D. Peptides

Explanation:

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