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trapecia [35]
3 years ago
9

HELP ME !!!!HELP ME PLEASE

Biology
1 answer:
postnew [5]3 years ago
3 0

Answer:

Abiotic is basically a non living factor so the answer is

D. Sunlight, temperature , conductivity, dissolved oxygen.

All other options contain one biotic or living factor like algae, star fish and crabs these aren't Abiotic.

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How do chemical tags affect whether a gene<br> gets activated to make a protein, or not?
stepladder [879]

Answer:

The chemical compounds of the epigenome are not part of the DNA ... Epigenetic changes can help determine whether genes are turned ... effect the modifications have on gene function, protein production, and human health.

Explanation:

6 0
3 years ago
Suppose you have monohybrid flowers in your garden and find that they produce black seeds to brown seeds in the ratio of 3:1. If
Dvinal [7]
Hybrid = having one recessive and one dominant allele
This means that all of the flowers must have the genotype Bb.
Knowing this, let's make a Punnet Square.

\begin{tabular}{ l c } & B \ \ \ \ b\\ B & \boxed{BB}\boxed{Bb} \\ b & \boxed{Bb\ }\boxed{\ bb} \\ \end{tabular}

As you can see, 3 of these are going to have the dominant trait and 1 is going to have the recessive trait. This corresponds to our 3:1 in our question, meaning that the black seeds must be dominant and the brown ones recessive.

Because they are dominant, the genotype for black seeds could be BB <em /><em>or</em> Bb.
4 0
3 years ago
Read 2 more answers
Is broccoli a dicot or monocot?
anyanavicka [17]

Answer:

Broccoli is a dicot

Explanation:

I looked it up on the internet :)

8 0
2 years ago
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Which part of the nucleotide contains the element Nitrogen?
oksian1 [2.3K]

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The base, it is called a nitrogen base

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3 years ago
Which information can be determined using half-life?
KATRIN_1 [288]

Answer : In radioactive decay, the half-life is the length of time after which there is a 50% chance that an atom will have undergone nuclear decay. It varies depending on the atom type and isotope, and is usually determined experimentally.

hope it will help you

7 0
2 years ago
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