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PtichkaEL [24]
3 years ago
7

Under what circumstances does membrane transport require energy

Biology
1 answer:
Nadusha1986 [10]3 years ago
5 0
When molecules are being transported opposite to the molecules concentration gradient.

Hope i helped!
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In addition to nourishing the epidermal cells, the dermal blood vessels function in:_____.
shutvik [7]

The dermal blood arteries work in dermal papillae to hydrate the epidermal cells.

<h3>What are dermal papillae used for?</h3>

The term "dermal papilla" can also be (DP). It is described as the hair follicle of an epithelial progenitor cell's chemical and physical niche. The dermal papilla's main job is to produce the hair shaft and rejuvenate the cycling section of the hair follicle. Dermal papillae are important because they reinforce the bond between the dermis and epidermis and reduce friction-related damage in places that are often used. Moreover, The dermis has a rough appearance thanks to the papillae, which interlocks with the epidermis above it to reinforce the bond between the two layers of skin. The papillae produce epidermal ridges on the palms and soles. These epidermal ridges give rise to fingerprints.

To learn more about dermal papilla, visit:

<u>brainly.com/question/28214941</u>

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4 0
1 year ago
All volcanoes have at least one vent, or opening. Which of the following does not erupt through volcanic vents?
Lelu [443]
B.Liquid Water
Explanation: lava gushes out ashes go up and gases when it erupts only water does not erupt.
5 0
2 years ago
How does temprature affect the respirtion rate of th goldfish
lawyer [7]

the respiration rate will increase as temperature increases. An increase in temperature will minimize the amount of dissolved oxygen in the water and increase the metabolic rate of the goldfish, thus causing the goldfish's respiration rate to increase (“Hot waters make it hard for fish to breathe”).

7 0
3 years ago
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in chickens, black feathers are dominant to white feathers. create a punnett square for a cross between two chickens that have b
faust18 [17]

the offspring has a 50% chance of having black feathers and a 50% chance of white feathers

6 0
2 years ago
Lipids have a polar "head" and a non-polar a non polar "tail", which makes them:
slavikrds [6]

Answer:

a

Explanation:

they're water loving and water fearing

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