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Blizzard [7]
3 years ago
9

What is the first step that should be taken when a caustic chemical gets into a person's eye?

Biology
1 answer:
Rom4ik [11]3 years ago
7 0

the person should wash their eye out for no less than 15 minutes

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In corn, the allele A allows the deposition of anthocyanin (blue) pigment in the kernels (seeds), while aa plants have yellow ke
lara31 [8.8K]

Answer:

<h2>A) Yes, 12 mu</h2><h2>B) AaWw</h2><h2>C) 0.25%</h2><h2 />

Explanation:

As given,

Allele A for  blue anthocynin.

aa for yellow kernel;

at  second locus;

W produce smooth kernel,

ww for wrinkled kernel;

Parents as given are:  AaWw and aaww

Progeny are:

blue smooth ( AaWw)= 1447;

blue wrinkle (Aaww)= 169;

yellow smooth (aaWw)= 186;

yellow wirnked (aaww)= 1510

a)

Recombinant progeny are  169+ 186= 355

non- recombinant progeny are = 1447+ 1510= 2957

so recombination frequency (RF)= 346/2957×100= 12.0054%

So a and w are linked genes.

They are 12 mu far away from each other.

b) Blue smooth parent= AaWw.

c) Aaww crossed with  aaWw

progeny are= AaWw, Aaww, aaWw, aaww,

They all are produced in same proportion =0.25% or 1/4.

5 0
3 years ago
A chemical mutagen that is structurally similar to a nucleotide but has different base-pairing rules is called a ________.
OLga [1]

Answer:

Nucleoside analog

Explanation:

  • Nucleoside analogs are the mutagenic chemicals that have a structure that is similar to the normal bases of the nucleotide and thus can be incorporated in the DNA during the process of replication, however as it has different base-pairing rules than the normal nucleotide base it can lead to mutations.
  • An example of a nucleoside analog is acyclovir which an analog of guanosine. 
3 0
3 years ago
Which change of state is shown in the model? condensation, boiling, sublimation or freezing
pishuonlain [190]

Answer:

Freezing.

Explanation:

5 0
3 years ago
Read 2 more answers
Match each underlined word to its correct meaning based on the context of the sentence. Tom had long been picking his way cautio
olasank [31]

Answer:

A. Tom had long been picking his way cautiously through this treacherous forest;  stepping from tuft to tuft of rushes and roots, which afforded <em><u>precarious</u></em> footholds among deep sloughs.  - 3.dangerous.

B. It was a <em><u>dreary</u></em> memento of the fierce struggle that had taken place in this last foothold of the Indian warriors. - 4.bleak.

C. He was sulky, however, and would not come to terms: she was to go again with a <em><u>propitiatory</u></em> offering,  but what it was she forbore to say. - 2.conciliatory.

D. At this <em><u>propitious</u></em> time of public distress did Tom Walker set up as a usurer in Boston. - 1.favorable .

Explanation:

The given underlined words in each sentence are-

1. "Precarious" refers to something unstable, unconfirmed, dangerous, uncertain, unreliable. So, when used in the given sentence, it suggests the dangerousness of the foothold that Tom had to depend on.

2. The word "dreary" is also used for something dull, uninteresting, bleak. It is used to describe the banal, cheerless memento of the fight the Indian warriors had given.

3. "Propitiatory" is another word used to describe something that is like a conciliatory offering, a token of appeasement, or trying to please someone or something. In the given sentence, it is used to describe how she will be offering a conciliatory act to him.

4. The word "propitious" is synonymous with something favorable, advantageous, presenting a promising idea. And in its use, the sentence presents how the public distress is favorable for Tom Walker to set up his office.

8 0
3 years ago
Excessive fat in blood that gives a milky appearance in the plasma
BigorU [14]
This is called <span>hyperlipidemia!</span>
3 0
3 years ago
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