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ki77a [65]
3 years ago
12

What is the role of the carbon cycle

Biology
1 answer:
HACTEHA [7]3 years ago
8 0

Answer:

The carbon cycle describes the way the element carbon moves between the Earth's biosphere, hydrosphere, atmosphere, and geosphere. It is important for a few reasons: ... One form carbon takes is the greenhouse gas carbon dioxide, CO2. Increased levels of carbon dioxide insulate the Earth, causing temperatures to rise

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Your body produces about 300 million cells every minute. Why is it important that mitosis is a
Fynjy0 [20]

Answer:

to avoid mutations and other issues that may occur

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3 years ago
Gray-banded kingsnakes are endangered species which are most vulnerable to private and commercial pet dealers. New Mexico has la
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B and or D

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7 0
3 years ago
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Nuthatches and brown creepers are birds which eat insects that hide in the furrows of bark in hardwood trees. The creeper search
jeka94

Answer:

This are our options to complete the question

-bottom-up and top-down hypotheses

-competitive exclusion

-keystone species

-resource partitioning

-character displacement

The CORRECT ANSWER IS resource partitioning.

Explanation:

Resource partitioning is the division of certain limited resources by species to eliminate competition in an ecological niche in order to allow easy coexisting with one another

The creeper searches for insects by hunting from the bottom of the tree trunk to the top, whereas the nuthatch searches from the top of the trunk down to eliminate competition and allow for peaceful coexisting between them

5 0
3 years ago
Crossing over between non sister chromatids during meiosis is significant in heredity
suter [353]

Crossing over is the main event in meiosis and heredity as it leads to genetic variation.

<h3>What is genetic variation?</h3>

Genetic variation is the changes that take place in the genes of individuals that can lead to the formation of new characters.

it generally occurs in meiosis specifically during crossing over.

Thus, it can be concluded that crossing over between non-sister chromatids during meiosis is significant in heredity as it leads to genetic variation.

For more details regarding crossing over, visit:

brainly.com/question/27256451

#SPJ4

4 0
2 years ago
In the Calvin cycle the conversion of energy poor carbon dioxide into energy rich glucose
rodikova [14]

Answer:

D)NADPH is made

A)ATP is used

Explanation:

Sorry to ask the two questions, I asked why the two options are in the process:Reduction. In the second stage, ATP and NADPH are used to convert the 3-PGA molecules into three-carbon sugar molecules, glyceraldehyde-3-phosphate ( G3P ). At this stage, it gets its name because NADPH donates, or reduces , electrons to a three-carbon intermediate to form G3P.[Ocultar detalhes]

The reduction stage of the Calvin cycle, which needs ATP and NADPH, converts 3-PGA (produced in the fixation stage) into a three-carbon sugar. This process takes place in two main stages:

Simplified diagram of the reduction step of the Calvin cycle showing the carbon atoms, but not the complete molecular structures. A 3-PGA molecule first receives a second phosphate group from ATP (generating ADP). Then, the doubly phosphorylated molecule receives electrons from NADPH and is reduced to form glyceraldehyde-3-phosphate. This reaction generates NADP + and also releases an inorganic phosphate.

Simplified diagram of the reduction step of the Calvin cycle showing the carbon atoms, but not the complete molecular structures. A 3-PGA molecule first receives a second phosphate group from ATP (generating ADP). Then, the doubly phosphorylated molecule receives electrons from NADPH and is reduced to form glyceraldehyde-3-phosphate. This reaction generates NADP + and also releases an inorganic phosphate.

First, each 3-PGA molecule receives a phosphate group from ATP, becoming a doubly phosphorylated molecule called 1,3-bisphosphoglyceride (and leaving an ADP as a by-product).

Second, 1,3-bisphosphoglycerate molecules are reduced (gain electrons). Each molecule receives two electrons from NADPH and loses one of its phosphate groups, becoming a three-carbon sugar called glyceraldehyde-3-phosphate (G3P) . This step produces NADP^+

+

start superscript, plus, end superscript and phosphate (\text P_iP

i

start text, P, end text, start subscript, i, end subscript) as by-products.

The chemical structures and real reactions are:

Reactions of the Calvin cycle reduction step, showing the molecular structures of the molecules involved.

Reactions of the Calvin cycle reduction step, showing the molecular structures of the molecules involved.

The ATP and NADPH used in these steps are products of the photo-dependent reactions (first stage of photosynthesis). That is, the chemical energy of ATP and the reducing potential of NADPH, both produced with the use of light energy, keep the Calvin cycle running. Conversely, the Calvin cycle regenerates ADP and NADP^+

+

start superscript, plus, end superscript, providing the necessary substrates for photo-dependent reactions.

7 0
2 years ago
Read 2 more answers
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