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Eva8 [605]
3 years ago
5

What produces a unstable form of energy for the cell

Biology
1 answer:
Nastasia [14]3 years ago
6 0

Answer:

In both animal and plant cells. ... Only in plant cells. Mitochondria. Produces a usable form of energy for the cell.

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A bacterial cell that contains an outer membrane and periplasmic space stains pink to red on Gram stain. Which one of the follow
anastassius [24]

Answer:

a. No discrepancy is present; organisms that contain an outer membrane and periplasmic space should stain pink because of their cell wall composition.

Explanation:

Gram stain is the staining method used to differentiate bacterial species into two groups, gram-positive and gram-negative bacteria. Factors that will differentiate gram-positive from gram-negative include the coloration of bacteria, the composition and chemical and physical properties of cell walls. In these tests, bacteria that have an outer membrane and a periplasmic space are considered gram negative and pink in color (sometimes similar to red) due to their cellular composition. For this reason we can state that there is no discrepancy present in the bacteria exposed in the question; Because this bacterium has an outer membrane and a periplasmic space, then it is normal for the bacteria to turn pink due to its cell wall composition.

6 0
3 years ago
The following are the steps for B-cell activation. The steps are in an incorrect order.
Nataly_w [17]

Answer:

4. B cells become activated by interacting with helper T cells.  

1. B cells display antigens in MHC class II receptors on the cell surface.  

2. Antibodies released by plasma cells bind to the antigen so they will be destroyed by other cells of the immune system.

3.B cells rearrange their DNA to create a unique B-cell receptor.  

5. B cells undergo clonal expansion.

6. B cells digest antigens that bind to the antibodies on their surface.

Explanation:

B-cells get activated by interacting with helper T cells when they bind to the antigen to receptors i.e (MHC class II receptors on the cell surface) on the surface of the cell. Series of activities such as release by plasma cells which cause rearrangement of B cells causes the cell to divide and proliferate. The process through which daughter cells arise from a parent cell called clonal expansion.

4 0
3 years ago
Why is a cell membrane so important
Zarrin [17]

Answer:

-provides protection for a cell

-provides a fixed environment inside the cell.

-The cell membrane also provides some structural support for a cell.

Explanation:

3 0
3 years ago
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@Physiology HELP
ikadub [295]
1. B<span>. oxygen because its a reactant 

2. I</span><span>ts c aerobic respiration produces more ATP molecules than anaerobic fermentation.

3. I</span>t is used to produce glucose molecules

4 0
3 years ago
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Similarites between jowar and moong ill give you 42 pts​
tatyana61 [14]

Answer:

Similarity: Both jowar and moong are annual plants.

copied from google

hope that helps you

3 0
3 years ago
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