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love history [14]
3 years ago
6

two runners were competing to see who could run with a greater average speed. Runner A ran 12 miles in 3 hours. Runner B ran 9 m

iles in 2 hours. Which runner ran with a greater average speed
Biology
1 answer:
zubka84 [21]3 years ago
5 0
Runner B took about 13.3 mins per mile while Runner A took about 15 mins per mile so runner be ran faster
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Is the following statement true or false? Explain your
Marrrta [24]

Answer:

False.

Explanation:

Cell membrane is made of the lipids and proteins with the attached moieties of carbohydrates. The plasma membrane is the selectively permeable membrane that allows the diffusion of some selected particles only.

The transport along the cell membrane depends on the size and the hydrophobicity of the molecule. The size of oxygen is although higher than magnesium but to its highly hydrophobic nature it can easily pass through the plasma membrane as compared with the magnesium. The oxygen diffuses out faster than magnesium.

Thus, the answer is false.

8 0
3 years ago
Lipid-soluble hormones readily diffuse through capillary walls, whereas water-soluble hormones, such as proteins, remain in the
solong [7]

Answer:

b. pass through pores in the capillary endothelium

Explanation:

The fenestrated capillaries and sinusoids have pores in their endothelium. These pores or the intracellular clefts vary in size between the fenestrated capillaries and sinusoids. Sinusoids have larger intracellular clefts. The pores serve as a passage for the movement of water-soluble substances, proteins and other substances that cannot cross the hydrophobic interior of the cell membranes.

Water-soluble hormones also cannot pass through the capillary walls. Therefore, these hormones pass through the pore or the fenestrations present in the endothelium of capillaries.

6 0
3 years ago
Which of the following is not a possible effect of rising carbon dioxide levels on plants? a. increased photosynthesis b. increa
Marat540 [252]

Answer:

option D

Explanation:

how the plant growth will be enhanced, so it seems incorrect.

3 0
3 years ago
In monkeys, being playful (P) is dominant to being paranoid (p). A heterozygous female is crossed with a homozygous dominant mal
Sergio039 [100]

Answer:

Pp or PP

Explanation:

Being heterozygous mean you have one recessive gene(a), one dominate (A). Homozygous dominant means you have only dominate(AA). if you use a Punnett square, it would look like this:

       P      P

P     PP   PP

p     Pp   Pp

This shows only Pp, and PP are the possible genotypes.

7 0
3 years ago
Which is an example of discrete data?
makvit [3.9K]

Answer: The number of students in a class

The number of workersin a company

ect...

Explanation: Discrete data is Information that can be categorized into a classification. Discrete data is based on counts. Only a finite number of values is possible, and the values cannot be subdivided meaningfully. For example, the number of parts damaged in shipment.

7 0
3 years ago
Read 2 more answers
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