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AnnZ [28]
2 years ago
7

Holding one's head slightly down when racewalking will make breathing more difficult.

Biology
2 answers:
Gelneren [198K]2 years ago
5 0

Answer: True

Explanation: i just to a Racewalking assignment and got True as the right answer

zysi [14]2 years ago
3 0

Answer:

the answer is TRUE

Explanation:

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The Calvin cycle is considered light-independent because it can occur in darkness. However, most often the Calvin cycle takes pl
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C) The Calvin cycle requires ATP and NADPH, which require sunlight to be produced

Explanation:

The light-dependent phase of photosynthesis includes the photolysis of water molecules. The released electrons are passed to PSII to PSI via electron carriers and finally to NADP+ to reduce it into NADPH.

Transfer of electrons via electron carriers also generates the proton concentration gradient which in turn drives ATP synthesis. ATP and NADPH formed during light reactions are used in the Calvin cycle as an energy source and electron donor respectively.

Hence, to continue, the Calvin cycle requires the synthesis of ATP and NADPH in the presence of light.

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3 years ago
Rods are to cones as _____ is(are) to _____. peripheral vision and night vision; color vision and visual acuity color vision and
VashaNatasha [74]

The answer would be peripheral vision and night vision; color vision and visual acuity. Peripheral vision is the effort of the rods, nerve cells situated mainly external the macula (the midpoint) of the retina. The rods are also accountable for night vision and low-light vision but are unresponsive to color. Visual acuity is the sharpness of vision. Color vision examinations check your capability to differentiate colors.

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3 years ago
The reproduction of DNA during interphase begins with
irina1246 [14]
G1.  (G stands for gap.)
The cells makes needed proteins for the process.
7 0
3 years ago
The overall result of the proton-proton chain is that ________
Delicious77 [7]
Basically, the P-P chain turns 4 protons into: 1 neutrino, 1 gamma ray, 1 positron, 1 helium nucleus.
A gamma ray = energy.
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This is all occurring through fusion reactions where 2 protons basically smash into each other. But, it could also be e.g. a proton smashing with a deuterium nucleus. Or, other nuclei smashing together to make something else.

Hope this helps!

7 0
3 years ago
Which statement is true about biodiversity? A. Natural disasters affect biodiversity more than human activity does. B. Natural d
ale4655 [162]

Answer:

Which statement is true about biodiversity?

Human activity can improve, maintain, or hurt biodiversity

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Biodiversity entails having different varieties of organism spread all over every habitat across the globe. Human activities could help biodiversity as well as reduce it drastically

6 0
2 years ago
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