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tensa zangetsu [6.8K]
3 years ago
7

A pollen tube is essential to the process of pollination because _________________________. Select one: a. it creates pollen b.

it allows the male nucleus to reach the female gamete c. bees would not be able to reach pollen without it d. it provides nutrients to a seed
Biology
1 answer:
hammer [34]3 years ago
4 0
The answer is C hopefully my answer was helpful?
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Dragon fruit, a kind of fruit belonging to Hylocereus spp., has brought about interest in China not only due to its important economic value with high contents of nutrients, but also due to the striking tolerance to drought stress. Fifteen morphological traits and 111 Inter-Simple Sequence Repeat (ISSR) markers generated from 16 primers were firstly employed to discriminate 50 accessions recently selected in China, as well as to evaluate their genetic relatedness. According to univariate statistical analysis of morphological traits, high variations were observed between or/and within the wild and cultivated lines. The dendrogram of 50 accessions was constructed based on morphological traits. Taking 7.50 as a threshold, three major clusters could be observed, i.e. the first included nine genotypes, which mainly belonged to wild accessions; the second clusters standing for the red pulp genotypes; the third consisting of the white pulp accessions. Each ISSR primer generated 4–10 obvious DNA bands ranging from 100 bp to 1500 bp, with the average of 6.9 per primer.

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3 years ago
What is the likely advantage of growing a genetically modified variety of corn that possesses its own pesticide?
Verizon [17]
Likely, B is the expected answer.

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As one who has suffered health problems for more than 40 years due to the desire of certain chemical industries to make money by polluting my food, I can barely remain civil when discussing genetic modification. Plants with built-in pesticides are bad news on so many levels it would take a library of books to discuss them all. What, after all, is the benefit of efficiently producing poison?
7 0
3 years ago
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During translation, chain elongation continues until: a. the polypeptide is too long to fit in the cell. b. all the amino acids
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5 0
3 years ago
Can anyone explain in detail the process of mitosis? (Including PMAT)
Anna35 [415]

Answer:

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Explanation:

Make sure to edit so your not copy-writed.

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