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ZanzabumX [31]
2 years ago
7

Question 3 Contaminants and pollutants cannot enter groundwater O True O False

Biology
1 answer:
Gala2k [10]2 years ago
7 0

Answer:

false

Explanation:

groundwater groundwater has an abundance of contaminants and pollutants

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A missense mutation causes premature chain (protein) termination. A missense mutation causes premature chain (protein) terminati
timurjin [86]

Answer: The statement is false

Explanation:

NONSENSE mutation, NOT MISSENSE mutation causes premature chain (protein) termination.

Missense mutation is simply a kind of point mutation where a single nucleotide is changed to cause substitution of a different amino acid, thus resulting in a non-functional protein.

So, non-functional protein is caused by missense mutation making the statement false

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3 years ago
30POINTS!! AND BRAINLEIST
liubo4ka [24]

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djyliett [7]
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3 years ago
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how does the presence of white flowers cahnge from the parent generation to first generation of offspring to the second genratio
UNO [17]

Answer:

P generation:  1 purple flower (AA)  :  1 white flower (aa)

F1 generation:  4 purple flowers (Aa)  :  0 white flowers

F2 generation:  3 purple flowers (AA, Aa)  :  1 white flower

Explanation:

Assuming the parents are AA and aa, the allele for white flowers is recessive, so there needs to be two of them for the trait to be expressed.  Thus, the capital A purple allele that the other parent contributes will mask that white allele and all the flowers will appear purple.  However, all of the offspring are Aa now, so when they are crossed, there's a 25% chance that they'll both contribute the lowercase a allele that codes for white flowers.  Remember that if both of them give the lowercase a allele then the offspring will be aa and appear white.

8 0
2 years ago
PLEASE HELP ME !! <br> 1. What causes electric current to flow through a circuit?
musickatia [10]

Answer:

A

Explanation:

When a wire is connected to battery terminals, electrons flow from negative to positive. Unlike (opposite) charges attract, like (same) charges repel.

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2 years ago
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