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Nadya [2.5K]
4 years ago
8

During which of the following investigations would a lab journal be a valuable tool?

Biology
1 answer:
Sergio [31]4 years ago
7 0

Answer:

d

Explanation:

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What are questions that biologists might ask about the living things they study
Leno4ka [110]

Answer:

1) The origin of life. 2) The mechanisms of evolution. 3) The control of the size, both of the organs and of the living beings.

Explanation:

Some examples,

Are gender traits completely a result of societal expectations?

Are there any parts of the human body that get oxygen directly from the air and not from the blood?

Are there nuclear reactions going on in our bodies?

Can humans ever directly see a photon?

5 0
3 years ago
In pea plants, tallness (T) is dominant to shortness (t). What is the predicted genotypic ratio of the offspring if a homozygous
tino4ka555 [31]
First, to answer this question, you need to draw a Punnett square. So you put the homozygous short alleles (tt) on top of the square, and the heterozygous tall alleles (Tt) on the left side of the square (or vice versa, it doesn't really matter).

When you create the Punnett Square, you then perform the cross between the two plants' alleles. I cross t with T and that gives me Tt. Same with the next one, t and T becomes Tt. Then, I cross t with t and that gives me tt. Same with the next one, t and t becomes tt.

So, the answer here would then be c. 50 percent Tt, 50 percent tt. You might say, well, couldn't answer d also work? Answer d could only work if the question was asking for the phenotypic ratio of the offspring. Then you could say 50% tall, 50% short. But the question asks for the genotypic ratio, so it would instead be c. 50 percent Tt, 50 percent tt.

Hope this helps! 
7 0
4 years ago
Read 2 more answers
A relationship in which one species benefits and the other is harmed is mutualism. cooperation. commensalism. parasitism.
elixir [45]

Answer:

Your answer should be Parasitism.

Example:

A flea on a dog: The flea benefits by getting shelter, and the food it needs to survive, the dog is harmed by getting its blood taken and getting infections.

4 0
3 years ago
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Each step of photosynthesis
blagie [28]

Answer:

(1) absorption of light, (2) electron transport leading to the reduction of NADP+ to NADPH, (3) generation of ATP, and (4) conversion of CO2 into carbohydrates (carbon fixation).

Explanation:

hope this helps!

6 0
4 years ago
PLEASE HELP ASAP!!!! CORRECT ANSWERS ONLY PLEASE!!!!
IrinaK [193]
Lets go with 0 M....
7 0
3 years ago
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