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ss7ja [257]
3 years ago
15

Chlorophyll a is the primary plant pigment capturing light

Biology
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

Chlorophyll a absorbs maximum light in blue and red regions of the spectrum while reflecting the green light.

Explanation:

The light reflected by any object reaches our eyes. “Chlorophyll-a” molecules are the pigments that do not absorb the green light and reflect it. The reflected green light imparts the chlorophyll-rich leaves a green color.

Since the absorption peak for Chlorophyll-a lies in red and blue regions of the spectrum, the maximum rate of photosynthesis is experienced in the presence of red and blue wavelengths.

The light absorbed by Chlorophyll-a drives light reactions to produce ATP and NADPH which in turn are consumed during the Calvin cycle to fix CO2 into glucose.

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What shape do the replicated chromosomes look like in prophase of the original cell
-Dominant- [34]

Answer:

They look like X's (X shape)

Explanation:

The X shape are replicated chromosomes and are called the sister chromatids.

3 0
3 years ago
Name two types of evidence used to support the theory of evolution. Explain how scientists use each type of evidence to provide
TEA [102]
Evidence for evolution, in other words evidence of common descent, include fossils, which have shown a (fairly) steady change in morphology over time for some species. An example would be horse hooves: we have fossils that show when they were still three toed, then two toed, then one toe in our present day horses. Another piece of evidence is vestigial organs. An example of vestigial organs is wings in some flightless birds, such as the kiwi. Their ancestors used it in order to fly across the marine barrier into New Zealand, but natural selection and random genetic drift made them quickly lose the ability to fly. Nonetheless, they still have their wings, however small. It can be assumed that eventually, their wings would be reduced to small stubs fused to other nearby bones, as has been observed in their cousins.
8 0
3 years ago
Please answer this question. What are the main differences between bacteria and archaea?
maksim [4K]

Answer:

For the difference of the two: Bacteria contain peptidoglycan in the cell wall; archaea do not. The cell membrane in bacteria is a lipid bilayer; in archaea, it can be a lipid bilayer or a monolayer. Bacteria contain fatty acids on the cell membrane, whereas archaea contain phytanyl.

5 0
3 years ago
Read 2 more answers
Within the Phylum Mollusca, what is the
____ [38]
B the organ that turns into the shell of the animals
4 0
3 years ago
Which of the following ranges are needed to achieve maximum power when using 55-85% of 1RM?
Leona [35]

Answer:

d) 1-2 reps, 3-5 sets

Explanation:

In training session there is always a progressive set, rep, and loading protocol which is needed to build-up maximum strength.

Now, the range that is set to achieve maximum power when using 55-85% of 1RM is  1-2 reps, 3-5 sets. This is so because most extreme power can happen somewhere getting ready to 55% and 85% of the 1 RM.

When a trainee choose let say for example, 1 repetition maximum (1 RM), to obtain the maximum power, its advisable to:

Cut that # in half

Add 1-2 rep

Perform 3–5 sets of this # ; and

Rest 1–2 minutes between sets.

5 0
3 years ago
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