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Lyrx [107]
4 years ago
5

How do the sperm cells get from the stigma to the ovules?

Biology
2 answers:
tester [92]4 years ago
8 0

The sperm travels from the stigma to the ovules through the pollen tubes.

Answer: Option B

<u>Explanation:</u>

The ovules carry the ovary which is the female reproduction gamete of a cell, this gamete is haploid in state, the sperms are the male gametes that are also haploid.

These 2 fuse together and form a zygote or the seed that is diploid in nature. The sperms stick to the stigma and then develop certain tube like structures that helps the sperm to travel to the ovules.

Vesna [10]4 years ago
6 0

The correct answer is option B

Sperm cells when pollinated by the insect to the female body part stay there for a while til the part of the flower determines its suitability and once it is done the sperm travels down through the pollen tube.


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Prokaryotes have no (blank) DNA in their (blank)
lesya [120]

Prokaryotic cells lack a defined nucleus, but have a region in the cell, termed the nucleoid, in which a single chromosomal, circular, double-stranded DNA molecule is located.

7 0
3 years ago
I need help ASAP!!!! Please help please and thank you
Darya [45]

Answer:

C G G A C A C G A T C T A C T

U G G A U A U G A G U G A U G

Explanation:

DNA      mRNA

C      =      U

G      =      G

A      =       A

T       =      G

I'm not sure about the amino acid part.

3 0
3 years ago
Approximately 21% of the human genome is comprised of nucleotides containing C. Given this information, calculate the percentage
azamat

Answer:

(a) 21% of the human genome is comprised of G.

(b) 29% of the human genome is comprised of T.

(c) 29% of the human genome is comprised of A.

Explanation:

According to Chargaff's rule, a DNA molecule has the same amount of pyrimidines (T and C) as purines (A and G), and G pairs with C and A pairs with T.

If 21% of the genome contains C, then 21% also contains G.

Therefore 21% + 21% = 42% of the genome is comprised of G+C.

The other 58% is comprised of A+T, and because they pair with each other, 29% will correspond to A and 29% will correspond to T,

8 0
4 years ago
Inflammation or infection of the uterine tube is called
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I believe it is called Salpingitis
5 0
3 years ago
What are the different kinds of gametes these parents can produce RR x rr
Mazyrski [523]
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Why? You cross the two and all the boxes with have Rr
7 0
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