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Law Incorporation [45]
3 years ago
5

Which class of bio molecule do the molecules in the table belong to?

Biology
1 answer:
nasty-shy [4]3 years ago
4 0
May I please see the entire table so I can answer your question.
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If you have a pet cockroach with a brown body, how could you find out if it is
aleksklad [387]

Answer:

by testcrossing with a homozygous recessive partner

Explanation:

<u>If a pet cockroach exists whose zygosity is unknown, this can be determined by a test cross. A test cross involves crossing an organisms whose zygosity is unknown with a partner that is homozygous recessive for the same trait.</u>

Let us assume that brown body is represented by the allele B, the dominant allele. The homozygous recessive version would be bb.

The genotype of a brown cockroach whose zygosity is not known can be denoted as B_, where '_' can be a 'B' or a 'b'.

When B_ is crossed with bb:

B_   x   bb

Progeny

2 Bb

2 _b

The phenotype of Bb would be brown (since B is dominant over b) while the phenotype of _b would depend on the zygosity level of the cockroach.

If the unknown genotype is BB, then _b becomes Bb and the phenotype will be a brown body. This means that all the progeny will appear brown. (<em>see the first attached image for the Punnet's square</em>)

In other word, if the unknown genotype is bb, then _b becomes bb and the phenotype will be a alternate color (non-brown) body. This means that 50% of the progeny will appear brown while the remaining 50% will be in the alternate color. (<em>attached</em>

3 0
3 years ago
How can an excess of nutrients harm<br>organisms in an ecosystem? ​
Neporo4naja [7]

Answer:

Excessive amounts of nutrients can lead to more serious problems such as low levels of oxygen dissolved in the water. Severe algal growth blocks light that is needed for plants, such as seagrasses, to grow. When the algae and seagrass die, they decay

Explanation:

7 0
3 years ago
Read 2 more answers
Although there is a one in 4 million chance that all of the chromosomes in one parent could come entirely from one grandparent,
Elanso [62]

Answer:

<em><u>it is true 10000% sure</u></em>

hope i helped

-lvr

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3 years ago
Lactic acid fermentation occurs in
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Lactic acid formation occurs in B) The yeast cell.
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Aaron has pre-hypertension. to help lower his blood pressure, he should consume foods that are high in
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Potassium and can be obtained by eating avocados, acorn squash, sweet potato, spinach etc..
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