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Mandarinka [93]
2 years ago
8

What would be a growth factor for a population of deer?

Biology
1 answer:
tatiyna2 years ago
7 0

Answer:

new food sources

Explanation:

other three factors do not contribute to the growth of them

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In the lab, you isolate a chlorella mutant that is unable to switch xanthophyll pigments into the inactive, non-heat-dissipating
balandron [24]

Answer:

Option B, no, because the xanthophylls prevent the production of reactive oxygen species.

Explanation:

Complete question

In the lab, you isolate a chlorella mutant that is unable to switch xanthophyll pigments into the inactive, non-heat-dissipating form. if you released that mutant into a small pond shaded by trees, would the mutation spread, and why?

a) yes, because the xanthophylls prevent the production of reactive oxygen species.

b) no, because the xanthophylls prevent the production of reactive oxygen species.

c) no, because xanthophyll dissipates absorbed light as heat, and in low light environments, such dissipation would decrease photosynthesis and therefore growth.

d) yes, because the heat released by the xanthophylls would warm up the cells and enhance photosynthesis.

e) no, because mutations never spread in nature

Solution

Xanthophylls are oxygenated carotenoids which are very essential for photosynthesis of plant. They play a major role in harvesting light and in photoprotection. The structure of xanthophyll consists of conjugated double bonds and they are good at facing  reactive oxygen species (such as cholera vector) thereby damaging their DNA, restricting the cellular pathways by damaging the oxidation pathway. Hence, in presence of reactive oxygen species the light received by xanthophylls is not used to in photosynthesis but in quenching the reactive oxygen species .

Hence, option B is correct

 

6 0
3 years ago
Which term best describes the temperature and weather conditions of an organism’s environment? biotic factors abiotic factors na
Reptile [31]

Answer:

according to me the answer is abiotic factor

7 0
3 years ago
Morning commuter traffic in cities contributes to ____ smog. In this type of air pollution, a mixing of ____ from certain plants
azamat

Answer:

photochemical

hydrocarbon

Explanation:

Morning commuter traffic in cities contributes to<u> photochemical</u> smog. In this type of air pollution, a mixing of <u>hydrocarbons</u> from certain plants, nitrogen oxides from cars, and UV radiation from the sun results in a variety of pollutants, such as ground-level ozone, which can cause coughing and breathing problems.

<em>Photochemical smogs are caused by the photochemical reaction of hydrocarbon and nitrogen oxides in the lower atmosphere with sunlight playing a major role. The reaction of the hydrocarbon with the nitrogen oxide in the presence of light leads to the evolution of ozone gas while nitrogen oxide has the capacity to react with the sunlight on its own to produce nitrogen dioxide. This result in the formation of smog</em>

4 0
3 years ago
Please help... Need ASAP
Vadim26 [7]

Answer:

I think this is what you're looking for?

Explanation:

8 0
2 years ago
Read 2 more answers
Will give Brainliest answer
Wewaii [24]

Answer:

Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation. ... This occurs in two steps: first, bacteria convert ammonia in to (nitrites) NO2-, and then other bacteria species convert it to NO3- (nitrate). Nitriates are a form of nitrogen that is usable by plants.

Explanation:

6 0
3 years ago
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