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stealth61 [152]
3 years ago
10

Which of the following would result in fraternal twins, who don't have identical DNA?

Biology
1 answer:
steposvetlana [31]3 years ago
8 0

Answer:

Option C

Explanation:

Each starts out as a separate egg fertilized by a separate sperm

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In an investigation, plant cells are placed in water that has been tinted blue. The investigators observe the color of the cells
larisa [96]

Answer:

C

Explanation:

When plant cells take in water, the vacuole swells. A swollen vacuole indicates the plant cell has all the water it needs. This suggests that the plant is taking in water and is maintaining optimum conditions. This is an example of homeostasis.

If the cells burst apart, as in A and E, this would suggest the cell is not properly maintaining homeostasis, as the cell bursting suggests something has gone badly wrong. This suggests the cell has taken in too much water; the cell has not been able to maintain homeostasis and regulate water uptake to prevent this from happening.

In the reverse case, where the cells shrink apart (as in B), the cell would also not be properly maintaining homeostasis by failing to bring enough water into the cell to maintain a turgid state. This is also damaging for the cells.

Finally, D and E can also not be correct, because water can cross the cell membrane, and does not need to be pumped in or sent out by endocytosis.

8 0
3 years ago
A biologist working in a lab adds a compound to a solution that contains an enzyme and substrate. This particular compound binds
tigry1 [53]

Answer:

The correct answer is C) The compound is an allosteric inhibitor.

Explanation:

An inhibitor works in many ways, but this particular one binds to the allosteric site in the enzyme causing a decrease of the enzymatic activity. When this situation happens, the inhibitor doesn't bind to the active site, but it changes the enzyme's shape so it cannot work properly anymore.

3 0
3 years ago
Nail infection are cause by a large number of bacteria or ________organism.
koban [17]
Sepsis but I'm relay not sure I joust saw it in my head
8 0
3 years ago
When a vegetable is placed in very salty water, the vegetable becomes soft and collapses. why does this happen?
Gala2k [10]
The answer is B, because salt water has lots salt, and little water. The cells lose their water content and fill up with salt, causing ti to collapse.

6 0
3 years ago
Read 2 more answers
What do tissues do in the digestive system?
NISA [10]

Answer:

breaks down and absorbs nutrients from the food and liquids.

Explanation:

ywww

6 0
2 years ago
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