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cricket20 [7]
3 years ago
6

What is true of a catalysis

Biology
1 answer:
Dafna1 [17]3 years ago
3 0

Catalyst is a substance that speeds up a chemical reaction, but is not consumed by the reaction; hence a catalyst can be recovered chemically unchanged at the end of the reaction it has been used to speed up, or catalyze.

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What are the population of grasslands. it can be animals or plants
NemiM [27]
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8 0
3 years ago
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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
I need help with this science question. Thank you!
mart [117]

Answer:

a. 25 N ---> Direction: Right

b. 40 N ---> Direction: Right

c. 10 N --->  Direction: Right

d. 90 N <--- Direction: Left

e. 40 N down Direction: Down

Hope this helps!

8 0
3 years ago
Because algae undergo ________________________, they produce much of Earth’s atmospheric oxygen.
Paladinen [302]
B. Photosynthesis is the answer
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3 years ago
Q.<br><br>Earth's atmosphere consists of.....<br><br><br>note : hii guys i'm from Indonesian ^^​
Leya [2.2K]

Answer:

78 percent nitrogen

21 percent oxygen

0.9 percent argon,

0.1 percent other gases.  

Explanation:

hope it helps!

and ello!

8 0
2 years ago
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