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dlinn [17]
3 years ago
15

Identify two individuals from Document A who are likely most closely related. Justify your claim with evidence from the document

s.

Biology
1 answer:
noname [10]3 years ago
3 0

Answer:

3 and 7

Explanation:

They have the same DNA genomes.

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_______ - Chromosomes condense into X shapes, the nuclear envelope breaks down, and spindle fibers start to form.
Hunter-Best [27]

This is called the prophase which is the second stage of mitosis.

7 0
3 years ago
What types of cells are most involved in the cell-mediated response?.
Anon25 [30]

Explanation:

Cell-mediated immunity is primarily driven by mature T cells, macrophages, and the release of cytokines in response to an antigen. T cells involved in cell-mediated immunity rely on antigen-presenting cells that contain membrane-bound MHC class I proteins in order to recognize intracellular target antigens.

7 0
1 year ago
A variegated leaf with green and yellow patches is used for an experiment to prove that chlorophyll is required for photosynthes
olga_2 [115]

Answer: The colour of A before the starch test is GREEN while after the starch test is BLUE- BLACK. The equation for photosynthesis is

6CO2 + 6H2O → C6H12O6 + 6O2.

Explanation:

PHOTOSYNTHESIS is the process by which green plants use energy from sunlight to manufacture their own food. It is a building up process since simple inorganic compounds such as carbondioxide and water are built up into large organic compounds such as glucose and OXYGEN is given off as a by product.

Oxygen given out in photosynthesis occurs in the light stage during the process of photolysis of water. This occurs when the chlorophyll traps, absorbs and captures light energy and become energised. The energised chlorophyll supplies energy which is to split molecules of water into hydrogen ion ( H+) and hydroxyl ion ( OH-). The hydroxyl ion is reconverted to water and oxygen is given out as a by product.

To show that chlorophyll is NECESSARY for photosynthesis, a variegated leaf with green and yellow patches is used for an experiment.

The green portion is marked A and the yellow portion marked B. The leaf is tested for starch using the procedure below:

--> place leaf in boiling water for half a minute to kill it.

--> decolorize leaf by placing it in hot alcohol.

--> dip decolorize leaf in hot water to soften it.

--> place leaf on tile and add iodine solution to it.

RESULT: It would be found that only the green parts contain starch as blue+black colouration is observed while yellow area is unaffected by iodine.

5 0
2 years ago
Which of the following is the main reason that humans need to include
zhuklara [117]

Answer:

b

Explanation:

3 0
3 years ago
A machine a-makes work easier to do b- changes the size of force needed c-can change the direction or distance of the force d- a
Ivan
D - All of the above
because a machine can do all of those things.
5 0
3 years ago
Read 2 more answers
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