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hoa [83]
2 years ago
7

Underwater plants have thin and narrow leaves without stomata. In such plants, how does exchange of gases take place ?

Biology
1 answer:
trapecia [35]2 years ago
6 0
My guess would be because of photosynthesis
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Marty created a design idea for observing how a shadow changes throughout the year. For his design, he needed an object that did
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3 years ago
Aliens from the planet Zorg have 100 chromosomes in their diploid cells. If a diploid alien cell enters meiosis, how many chromo
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Answer:

Chromosomes at the conclusion of Meiosis I  - 50

Double-helical molecules of DNA at the conclusion of Meiosis I - same as that of parent cells

Explanation:

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Number of chromosomes in the diploid cells of Aliens from the planet Zorg = 100

In the Meiosis I cell division , a cell divides to produce two diploid cells with exactly the same amount of  DNA  as that of original parent cell.

However, the number of chromosomes is reduced to  by half at the end of meiosis I

After Meiosis II, four haploid cells are produces with half the amount of DNA  as that of original parent cell

Thus,

Chromosomes at the conclusion of Meiosis I  - 50

Double-helical molecules of DNA at the conclusion of Meiosis I - same as that of parent cells

8 0
3 years ago
Recall the following rules for base pairing in a DNA strand (note: not in an RNA strand):
Annette [7]

Answer:

AAATT - TTTAA  

CGCAT - GCGTA

GGGAC - CCCTG  

ACGGT - TGCCA

Explanation:

In DNA, A and T, also known as adenine and thymine pair together and G and C, also known as guanine and cytosine pair together due to the hydrogen bonds formed between the two bases.

7 0
3 years ago
Read 2 more answers
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