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ryzh [129]
2 years ago
12

What’s a convection current and how is it caused?

Biology
1 answer:
kherson [118]2 years ago
7 0

Answer:

Convection currents are the result of differential heating. Lighter (less dense), warm material rises while heavier (more dense) cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.

Explanation:

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What process completed division in a animal cell?
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Explanation:

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3 years ago
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2. Copy/paste and align the first 5 bases of all introns. Which bases are conserved near intron start ("donor site")?
Delicious77 [7]

Answer:

This question is incomplete

Explanation:

Introns are non-coding regions of a DNA that removed by RNA splicing prior to translation. Alignment is usually done between sequences to see and understand the identity and similarity between two or more sequences.

A region/base is said to be conserved if there is  NO change in any base in that particular region. A multiple sequence alignment (MSA) can be used to align the donor sites of all the introns to see the bases that have not "changed" (and still remained in there exact position) hence conserved across all the donor sites.

NOTE: The donor site of an intron is the 5' end, thus the first five bases in the 5' end are to be used here

5 0
3 years ago
do you think there is a quantitative relationship between transpiration rate and number or size of leaves on the stem? explain y
algol [13]

Answer:

Do you think there is a quantitative relationship between transpiration rate and number or size of leaves on the stem? Explain your answer. Yes, the more leaves a plant has, means more stomata will be available for transpiration. ... Without light to facilitate photosynthesis, most plants close their stomata at night.

Explanation:

3 0
2 years ago
Which component is released from the active site of an enzyme during a chemical reaction?
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The burning of coal, a fossil fuel, produces water and carbon dioxide. How is this similar to cellular respiration?
Nimfa-mama [501]

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Both cellular respiration and combustion require a core fuel for the process to happen at all.

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