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igor_vitrenko [27]
3 years ago
5

What determines the brightest of a star

Biology
1 answer:
AfilCa [17]3 years ago
6 0
A star's brightness is determined by the distance away from earth.
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What kind of electrical charge is found on a hydrogen atom of a polar water molecule
vova2212 [387]

Answer:

A negative charge exists because of the electronegativity of oxygen. A polar water molecule is made up of hydrogen and oxygen. Due to its atomic structure, there is an unequal distribution of charges and thus oxygen gets a more negative charge while hydrogen gets a positive charge.

Explanation:

3 0
2 years ago
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Which statement describes redshifts?
babunello [35]

the answer is B :) youre welcome

5 0
3 years ago
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4. A polypeptide has the following amino acid sequence: Met-Ser-Pro-Arg-Leu-Glu-Gly In the mutant below, indicate the type of mu
MatroZZZ [7]

Answer:

4. c. Deletion/ frameshift mutation

5. a. Tyr Tyr Asp Ser Gly

6. A frameshift occurred which altered the identity of the amino acids following the initiator 6. methionine, but not the length of protein Q.

Explanation:

4)

A single base pair at the first position of the Arg codon i.e. CGA has been deleted. Due to the deletion, the reading frame has shifted one nucleotide backwards, altering the amino acid sequence of the protein.

5)

The genomic DNA sequence is 5'-ATG ATA CTA AGG CCC-3'. Therefore, the complementary mRNA will be 5'-UAC UAU GAU UCC GGG-3'. According to the genetic code, this mRNA sequence encodes the following amino acid sequence: Tyr Tyr Asp Ser Gly

6)

The wild type DNA sequence is:

5'-ACUGUAAUGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'

The mutant i.e. mRNA with the added G will be

5' ACUGUAAUGGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'  

This is a single base pair insertion and frameshift mutation that shifts the reading frame one base pair forwards. The codon that was originally GAG coding for glutamic acid (Glu) gets converted to GGA that codes for glycine. Therefore, the amino acid sequence has been altered but the polypeptide chain will still have 13 amino acids.

6 0
3 years ago
sprouted seeds un sprouted seed taken in a jar with lime water in both in which jar lime water changes it colour fast​
nlexa [21]

Answer:

Correct option is White

Explanation:

Germinating seeds carry out their

respiration process at the cellular level to

be able to generate energy for growth and

maturation.

They do not yet have the ability to carry out

photosynthesis.

As a result of respiration, carbon dioxide is

released by the seeds which turn lime

water milky or white.

So the correct answer is 'White

4 0
3 years ago
What is the definition of wildlife?<br><br>​
vredina [299]

Answer:

wild animals collectively; the native fauna (and sometimes flora) of a region.

Explanation:

I hope this helped :)

7 0
3 years ago
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