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timama [110]
3 years ago
15

A cross section of a seed is shown.

Biology
1 answer:
cluponka [151]3 years ago
7 0

Answer:x is embryo :D

Explanation:

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common feature among class reptile, osteicthyes and aves is the possessing of? ps. i need the answer asap
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6 0
3 years ago
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A scenario where a cell may need to perform a form of endocytosis
Mademuasel [1]

There are so many examples for that in different areas, like TPBA experiment carried out in our lab recently.Here's one link: http://www.alfa-chemistry.com/tpba-cas-172285-72-2-item-294462.htm

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3 years ago
__________ is the leading cause of preventable blindness in children.
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Vitamin A deficiency is the leading cause of preventable blindness in children.
4 0
3 years ago
Assume that a mutation in the dna occurs so that the fourth base (counting from the 5' end) of the messenger rna now reads a rat
aleksandrvk [35]

Methionine-methionine leucinelysine that a mutation in the DNA occurs so that the fourth base (counting from the 5' end) of the messenger RNA.

mRNA codons are read from 5' to 3' , and they specify the order of amino acids in a protein from N-terminus (methionine) to C-terminus. The mRNA sequence is: 5'-AUGAUCUCGUAA-5'

Ciodons which is broke the sequence into a series of three-nucleotide units. There are three-letter nature of codons that the four nucleotide found in mRNA such as  A, U, G, and C  all these can produce a total of 64 different combinations. The sequence of the tRNA anti-codon is 3'-UGC-5' and the tRNA will carry the amino acid which is the encoded by the codon.

To learn more about nucleotide here

brainly.com/question/13185536

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4 0
1 year ago
A student argues that two species of birds are the same species because they have similar body structures, similar DNA, and simi
noname [10]

Answer:

The correct option is D) The birds have different mating seasons.

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Organisms belonging to the same species will have the ability to reproduce and  produce fertile offsprings. As the birds have different mating seasons, this means that the birds are not able to mate and reproduce at the same time. Thus phenomenon supports the second student's argument.

6 0
2 years ago
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