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Oliga [24]
3 years ago
11

In an ecosystem,the presence of many different species is critical for the survival of some forms of life when

Biology
1 answer:
Nadusha1986 [10]3 years ago
8 0
One species is bigger than the rest
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If a plant cell had a mutation such that the cyclic electron flow is observed at a much higher rate, which photosystem is most l
Ksenya-84 [330]

If a plant cell had a mutation such that the cyclic electron flow is observed at a much higher rate, which photosystem is most likely mutated such that energy is absorbed at a lower rate?

PSI

PSII

Answer:

PSII

Explanation:

Non-cyclic phosphorylation involves both PSI and PSII. The process starts with the splitting of water and excitation of electrons of the reaction center of PSII upon the absorption of solar energy at the wavelength of 680 nm. Any mutation in PSII would not allow the non-cyclic phosphorylation to occur when only cyclic phosphorylation would occur. The process of cyclic phosphorylation includes only PS I. Its reaction center absorbs maximum light at 700 nm and is cycled back while supporting ATP synthesis. Therefore, if a plant performs cyclic phosphorylation at a higher rate and absorbs less energy, this means that mutation was in PSII.

7 0
2 years ago
Question 5 of 10
Ratling [72]

Answer:

A

Explanation:

geothermal energy, solar energy, and wind energy increased, and in 2019, the combined percentage share of these renewable energy sources was greater than the combined share of wood and hydro energy.Jun 22, 2020

5 0
3 years ago
Which condition would most likely result in evolution
eimsori [14]

C. a green parrot has an allele for green feathers and an allele for blue feathers.

4 0
2 years ago
Read 2 more answers
Which type of muscle tissue is both voluntary and striated?
iogann1982 [59]

Answer:

skeletal muscle fibres.

Explanation:

skeletal muscle fibres occur in muscles which are attached to the skeleton. They are straited in appearance and under voluntary control.

Hope it helps.

5 0
3 years ago
Read 2 more answers
Which of the following is true about offspring resulting from a cross that yielded TT, Tt, TT, ans Tt?
Vera_Pavlovna [14]

Additional detail found elsewhere: (T = Tall and t = short)

Answer:

All are expected to be tall

Explanation:

We are told that the T allele produces the tall trait, and the t allele produces the short trait.

Because the tall allele is denoted by an uppercase letter, it means it is the dominant allele, meaning if it is present even in one copy, the trait will be expressed. This is in contrast to the recessive short allele, 2 copies are needed for the trait to be expressed.

Individuals have 2 copies of every gene. Offspring that are TT, Tt, TT, and Tt all have at least one copy of the T (tall allele). Because this is the dominant allele, that means all of these offspring would be expected to be tall.

5 0
3 years ago
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