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Sergio [31]
3 years ago
5

Peter, who lived 200 years ago, had a house with no rats in it. One day, his wife

Biology
1 answer:
antiseptic1488 [7]3 years ago
6 0

Answer:

1 is always rifht

Explanation:

i think so

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7 0
3 years ago
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True or False: Meiosis halves the chromosome number, whereas mitosis maintains the same chromosome number.
AleksandrR [38]

Answer:

True

Explanation:

Meiosis is the kind of cell division that results in the production of daughter cells with each cell having half number of chromosomes as the parent cell. Meiosis is the cell division employed by reproductive cells to produce gametes/sex cells. Meiosis occurs in two stages i.e. Meiosis I and II. The chromosome number reduces by half in gametes in order to ensure that after fertilization of both male and female gamete, the resulting organism has the correct set of chromosomes. e.g diploid organism produces haploid gametes which fuses to produce a diploid organism again.

Mitosis is another type of cell division that results in identical daughter cells. They are identical in the sense that they possess the same number of chromosomes as the parent cell that divided. For example, a diploid cell undergoes mitosis to produce two diploid daughter cells.

8 0
3 years ago
Which of the following statements correctly describes the effect a nonsense mutation would have on a gene?a) It changes an amino
TEA [102]

Answer:

c) It introduces a premature stop codon into the mRNA

Explanation:

Nonsense mutation is a type of point mutation (single nucleotide base is changed) which leads to premature stop codon. Stop codons are also called nonsense codons and that is way this type of mutation is called nonsense mutation. As a consequence, synthesized protein is incomplete and shorter than it should be (truncated protein), usually nonfunctional.

3 0
4 years ago
Which is an inference? Question 6 options:
steposvetlana [31]

Answer:

d. After watching a plant for a week, you determine it needs more sunlight.

Explanation:

An inference is a thought or idea gotten from evidence and reasoning. It helps us to gain knowledge

8 0
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Why is carbon so important in biology molecules?
KATRIN_1 [288]
Complex molecules are made up of other elements bonded with carbon. Carbon is able to bond with other molecules so easily because it has four valence electrons. 
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