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Vilka [71]
3 years ago
11

Individual, duplicated chromosomes line up in the middle of a cell during ____________ .

Biology
1 answer:
stealth61 [152]3 years ago
8 0
Metaphase. This is when the chromosomes line up in the center at the metaphase plate :) hope this helped!
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Which of the following can change landforms quickly?
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Answer:

Wind can change landforms by weathering, erosion and deposition. Fast water, with a lot of energy, can erode a lot of sediment.

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The following sequence of double stranded DNA encodes a hypothetical protein called GEN in a bacteria. Transcription starts at a
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Answer:

A) AUG GAG GGU

B) N-MET-GLU-GLY-HIS

C) 10 amino acids

D) The stop codon here is UAA, instead of UAG.  If a tryptophane residue is added where the stop codon is, the GEN polypeptide would be longer

Explanation:

First we must obtain the the complementary chain or mRNA

A) AUG start codon is complementary to DNA TAC triplet, and GAG is complementary to CTC, and GGU to CCA (running from left to right towards 5'DNA direction (AAGCGGATACCTCCCAGTAGATGCTCCGGGGCTAGTGATTTCGAAC-5)

B) TAC corresponds to Methionine, GAG to Glutamate, GGU to Glycine, and CAU to Histidine

C) UAA is the stop codon, that is complementary where the DNA triplet is ATT.  From AUG to UAA, we can have 10 amino acids transcribed

D) If a trp is included where the stop codon is UAA, then the mRNA would be longer with a consequent traduction of a longer GEN polypeptide

8 0
3 years ago
What do we use when changing units from one form to another?
Rina8888 [55]

Answer:

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Explanation:

1. Write the conversion as a fraction (that equals one)

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8 0
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Assume that the "letters" of DNA are distributed randomly and that human DNA has 3 billion base pairs. About how long would you
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Answer:

one that recognizes a 2 base pair sequence would cut DDNA every 16 bases. A 3 base pair recognition site would be found every 64 bases.

6 0
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Answer:

Typically in mammals, the gender of an organism is determined by the sex chromosomes. In the case of humans, this happens to be the X and the Y chromosomes. So as you may recall, if you are XX, you are female. If you are XY, you are male.

6 0
2 years ago
Read 2 more answers
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