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3 years ago

What odd thing happens at Mercury’s perihelion to the sun ?

1 answer:

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In 2016, a rare transit of Mercury happened, where the planet crossed the face of the sun. Mercury's transit may have yielded secrets about its thin atmosphere, assisted in the hunt for worlds around other stars, and helped NASA hone some of its instruments.

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Cell like this has just left the lungs. What colour will it be?

m_a_m_a [10]

Answer:

Within your blood, red blood cells have a specialized task. ... Your blood then transports carbon dioxide back to the lungs where you can ... They extend like tree branches into the lung.

Explanation:

HOPE IT HELP'S! C:

#CARRYONLEARNING

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2 years ago

While washing her hair, Olivia noticed that she was losing a lot of hair. She visited a clinic, and the physician reassured her

tia_tia [17]

Hair is a schematic cell and will grow back through mitosis.

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2 years ago

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Compare the leaf hairs on the upper leaf surface with the leaf hairs on the lower leaf surface.

Anestetic [448]

The main difference between upper

epidermis and lower epidermis is

that upper epidermis possesses a cuticle layer whereas lower

epidermis possesses a large number

of stomata. surfaces, respectively. ... possesses a cuticle layer whereas lower epidermis possesses a large number of stomata

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2 years ago

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Describe the mechanism of blood sugar regulation (20 marks)

dedylja [7]

<h2> $Answer \: -$ </h2>

Insulin helps the cells absorb glucose, reducing blood sugar and providing the cells with glucose for energy. When blood sugar levels are too low, the pancreas releases glucagon. Glucagon instructs the liver to release stored glucose, which causes blood sugar to rise.

The pancreas releases glucagon when glucose levels fall too low. Glucagon causes the liver to convert stored glycogen into glucose, which is released into the bloodstream. High BG levels stimulate the release of insulin. Insulin allows glucose to be taken up and used by insulin-dependent tissues, such as muscle cells.p

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2 years ago

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If Plant A with yellow flower (dominant trait) is crossed with Plant B white flower (recessive trait), what is the percentage of

marysya [2.9K]

Answer:

100%

Explanation:

Yellow flower color (Y) is dominant over white flower color (y). Plant A is YY while plant B is yy:

YY x yy

Yy Yy Yy Yy

All the offspring would have Yy genotype and since Y is dominant over y, all of them will have yellow flower color as opposed to while.

Hence, the percentage of the offspring that will have a yellow flower would be 100%.

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2 years ago