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FinnZ [79.3K]
2 years ago
11

Why are we closer to the sun in winter?

Biology
2 answers:
Pavel [41]2 years ago
7 0

Answer:

Because the earth's axis is tilted

Explanation:

miv72 [106K]2 years ago
6 0

Answer:

Because the earth's axis is tilted.

Explanation:

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The substance dichlorophenyldimethylurea (DCMUDCMU) is an herbicide that inhibits photosynthesis by blocking electron transfer b
mario62 [17]

Answer:

No

Explanation:

During cyclic photophosphorylation, electrons are cycled continuously out of and back into the reaction center of PSI. It does not involve PSII and plastoquinone. During non cyclic photophosphorylation, the reaction center of plant photosystem II passes electrons to plastoquinone. The reduced plastoquinone carries electrons to the cytochrome b6f complex. Since PSII and plastoquinones are not included in cyclic photophosphorylation, dichlorophenyldimethylurea would not affect the process.  

5 0
3 years ago
A single ________ on the ________ chromosome plays a crucial role in the prenatal development of the testes.
Tju [1.3M]

Answer:

A single gene on the Y chromosome plays a crucial role in the parental development of the testes.

Explanation:

Y chromosome is present only in males and this chromosomes is the distinguishing factor which separates males from females. It is the smallest chromosome but of utmost importance due to its sex determining feature. Up till now, studies show that Y chromosomes only carry limited amount of genes.  

The Y chromosome, most importantly, comprises of the SRY gene. This is the gene responsible for determining the testis and for the development of the testis. The SRY gene is responsible for sex determination.

6 0
3 years ago
What is the contribution of biologist on the discovery of cell?​
Lena [83]

Explanation:

With continual improvements made to microscopes over time, magnification technology advanced enough to discover cells in the 17th century. This discovery is largely attributed to Robert Hooke, and began the scientific study of cells, known as cell biology.

5 0
3 years ago
I didn’t mean to put D but what is the answer?!
Goshia [24]

Answer:

Actually, D is the correct answer

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2 years ago
Two or more different atoms are combined in definite porportions in any
Brut [27]
2 or more different atoms are combined in definite proportions in any compound.
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