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FrozenT [24]
3 years ago
5

Just a reminder to take a break! Your brain is hurting and you need some water! Use this app to understand not to cheat too!

Biology
1 answer:
ss7ja [257]3 years ago
8 0

Answer:

THX

Explanation:

Your mind needs to rest

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You have a column made of nickel-agarose matrix. your protein must have ________ to use this column for affinity chromatography.
belka [17]
<span>Negatively charged R-groups in the primary structure. This is because nickel acts as a cation, therefore you would be attracting anions, in this case it would be on the proteins that would be binding to the column. Once they bind to the matrix a was buffer of high salts can elute the proteins.</span>
3 0
3 years ago
How does the ocean floor keep track of magnetic fields?
lukranit [14]

Answer:

The sea floor magnetic field is layered in stripes of alternating north and south polarities. That tells us the polarity of the Earth while that particular stripe was being formed. This is how the ocean floor keeps track of the magnetic field.

Explanation:

this is the answer i have had this question on multiple tests and got it right hope this helps! :D

6 0
3 years ago
Which term describes a protective support structure found on the outside of certain organisms?
dezoksy [38]

Answer: An exoskeleton is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton of, for example, a human. i think its B

Explanation: hope this helps!

6 0
3 years ago
A controlled experiment should have a control group and at least one experimental group. True or false
Crazy boy [7]

Answer:

true

Explanation:

6 0
3 years ago
Cross a plant that is heterozygous for green pods with a plant that has yellow pods
saw5 [17]
G=Green....because your starting plant is heterozygous it must be Gg
g = yellow ....because yellow is recessive, it must be gg

Gg x gg 

Do a Punnet Square and you get
Gg (2)
gg (2)
So half of your plants will be green (but heterozygous) and half will be yellow (homozygous)
5 0
3 years ago
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