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timama [110]
3 years ago
5

Which of these phylogenetic trees depicts a different evolutionary history than the others?

Biology
1 answer:
scoray [572]3 years ago
5 0

Answer:

Tree 3

Explanation:

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True of False: Hemoglobin releases the same amount of oxygen to all the tissues regardless of variations in their metabolic rate
Murljashka [212]

Answer: False

Explanation:

Hemoglobin can be defined as red protein that transports oxygen to various parts of the body according to its need.

It does not transports the same amount of oxygen to all the tissues. Some tissues of the body might require more more oxygen and some cells might require less amount of oxygen.

It depends on the state of activity. It transports more oxygen to the tissue that require it the most.

Example: The skeletal muscles of the body require more oxygen and it can be more than 80% .

Hence, the given statement is false and hemoglobin does not releases the same amount of oxygen to each and every tissue of the body.

5 0
4 years ago
Scientist developed a vaccine to protect humans from the H1N1 virus which cost 17,000 deaths in 2009. Which of the following per
JulsSmile [24]
B I believe.................
5 0
3 years ago
1. The nucleus
AleksAgata [21]

Answer:

1. E. A, B, and C

2. B. Smooth ER

3. D. Neither

4. B. Maintains turgor pressure in plants

Explanation:

1. Though I've never heard of "nuclear pores" in the nucleus (I've only known of them to be in the nuclear envelope), answer E is the only one that has the most obvious answer--storing genetic material. The nucleus regulates cell activities by using the stored genetic material to produce proteins.

2. There's no explanation for this as it's pretty much just memorizing the function of organelles, just remember that "lipid biosynthesis" is just basically saying "making lipids".

3. Viruses are neither eukaryotic or prokaryotic since they have no defining characteristics that eukaryotic and prokaryotic cells have. They lack a nucleus and can only replicate when inside a host cell.

4. The words "large central vacuole" should give you a big hint to the question talking about a plant cell. Turgor pressure is when the cell walls of plant cells press up against each other due to the size of the large central vacuole. This is why plants wilt when they do not have enough water, their cell walls do not press against each other so the structure is weak.

7 0
3 years ago
All of the following are examples of cell specialization except
valina [46]

Answer:

a prokaryotic cell that carries out photosynthes

Explanation:

had this question on a test before'

8 0
3 years ago
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Which conditions promote karst development? Check all that apply.
vova2212 [387]
Good groundwater circulation,moderate to heavy rainfall, soft rock near Earth's surface
4 0
4 years ago
Read 2 more answers
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