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melomori [17]
3 years ago
15

______________are a sugar source, and ______________ are a sugar sink.

Biology
1 answer:
nadezda [96]3 years ago
5 0
Bulbs are  the sugar source and  roots / tubers are the sugar sink.
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A signaling pathway that stimulates cellular growth and division is positively regulated by a GTPase encoded by an autosomally l
Romashka-Z-Leto [24]

Answer:

The correct answer is: a.

Explanation:

  • A Diploid organism possess two copies ( also called alleles) of each  autosomal gene, of which one copy of the gene is obtained from one of its parents and the other copy from its other parent.
  • During the process of replication, one of the alleles of the GTPase encoding gene undergoes a mis-sense mutation.
  • A Mis-sense mutation can be defined as a non-synonymous mutation in which one of the nucleotide in the sequence of the gene gets altered such that it causes a change in the amino acid encoded by the codon (triplet nucleotide message encoding for a single amino acid)  formed by the mutated nucleotide. A single amino acid change in the protein, if occurs in the functional site of the protein, can render a protein non-functional.
  • Hence, the mis-sense mutation in one of the alleles encoding for the GTPase gene causes the resulting protein produced from the mutated allele to have drastically reduced function (1%).
  • A heterozygous cell is one which has one copy of the normal allele and the other copy of the mutated allele of the GTPase encoding gene.
  • As one copy of the normal GTPase allele is present in such an individual, it can produce the normal GTPase protein that can assist in the process of cell growth and division.
  • Hence, the phenotype(expressed character) of  the heterozygous cell will not be affected due to the mutation and it will be able to grow and divide normally.
8 0
3 years ago
How often does the body perform cellular respiration?. A.once in the morning and once at night. B.only at night. C.continuously.
Arturiano [62]
The body actually performs cellular respiration continuously. The correct option among all the answers that are given in the question is the third option or option "C". The other options that are given are wrong and so can be avoided. I hope the answer has actually come to your help.
5 0
3 years ago
Read 2 more answers
A woman takes a man to court claiming that he is the father of her son and that the man should be required to pay child support.
Anastasy [175]

Answer: No

Explanation: Since when a child is born it has DNA from both. As an example, the mom has brown hair, father has blonde hair, the child would take the DNA for the type of hair they get, either blonde or brown. So since its blood, the fathers is A, and the boy's is B, therefore it didn't take any of their DNA's so nope, he isn't the father.

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8_murik_8 [283]
The answer is the letter B
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Black_prince [1.1K]
Insulin lowers blood sugar from the body so that yôu don't get sick
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