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Olin [163]
3 years ago
12

Desert and tundra both ________.

Biology
1 answer:
NARA [144]3 years ago
3 0

Answer: Option A. Have relatively low participation

Explanation: Dessert and tundra have a relative low precipitation. Desert is a very dry place and they have varying temperature. Many factors causes the low precipitation of desert, such as pressure. Atmospheric pressure contributes to low precipitation. Lack of available surface water on the soil for evaporation also affects desert precipitation.

There is low precipitation in the tundra as a result of extreme cold temperatures of the tundra. There is so much frozen on the ground and the air is very cold, all this causes low precipitation of tundra.

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Explanation:

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Which of the following are considered oxidase-negative?
quester [9]

Answer:

Bacteria that are oxidase-negative may be anaerobic, aerobic, or facultative; the oxidase negative result just means that these organisms do not have the cytochrome c oxidase that oxidizes the test reagent. They may respire using other oxidases in electron transport.)

5 0
2 years ago
Which of the cells are involved in graft rejection?
Aleks04 [339]
T cells
The immune response to a transplanted organ consists of both cellular (lymphocyte mediated) and humoral (antibody mediated) mechanisms. Although other cell types are also involved, the T cells are central in the rejection of grafts. The rejection reaction consists of the sensitization stage and the effector stage.
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3 years ago
a baker has created a new strain of yeast which contains no cytochrome c gene and no cytochrome c protein. this will affect what
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A baker has created a new strain of yeast which contains no cytochrome c gene and no cytochrome c protein. this will affect what the yeast strain can do to obtain energy. what will this yeast strain do more of compared to a normal strain

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Answer: Less because cytochrome c is key to the electron transport chain.

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The Cytochrome c is an essential component of the electron transport chain. Without this there will be no oxidation and reduction of iron atom will take place which could convert the ferrous ions to ferric ions. Thus the entire process of electron transport chain and energy production in the form of ATP will be compromised. So, there will be no production of energy in the anaerobic fermentation by yeast.

8 0
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New Zealand has a population of 4,326,380 and has an area of 103,736 while Australia has an area of 2,967,909 miles and a popula
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Since the country has a smaller area and a large amount of people (although smaller than Australia) the ratio of land to people in New Zealand is much larger than the ration of land to people in Australia.

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