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Masja [62]
3 years ago
11

PLEASE HELP THIS IS URGENT!!!!

Biology
1 answer:
ladessa [460]3 years ago
5 0
Plants tend to grow where the light is coming from because the sun is there main energy source. this helps with plants growing in nature because in nature they will have all the sun that they need and will be able to grow faster 
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Answer: 1:2:1

Explanation:

The genotypic ratio is 1:2:1 whereas, the phenotypic ratio is 3:1 in the monohybrid cross. 2. Dihybrid cross: It is simple defined as the cross between two pairs of contrasting characters or parental alleles. Pea shape and color are used to conduct the dihybrid cross test.

Use these 2 links to help you with more problems like this

you can just click on it if you can't copy and paste it

https://www.chegg.com/learn/biology/introduction-to-biology/cross-between-two-pea-plants

https://www.albert.io/blog/dihybrid-cross-ap-biology-crash-course/#:~:text=A%20cross%20between%20two%20plants%20that%20are%20heterozygous,alleles%29%20parents%20this%20will%20always%20be%20the%20ratio.

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What are some some similarities among all four types of molecules? list as many as you can
Ludmilka [50]
Carbon,hydrogen and oxygen
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3 years ago
(a) What cell structures best reveal evolutionary unity?
xeze [42]

Answer:

The correct answer will be-

1. Evolutionary unity-  DNA

2. specialized cellular modifications- plant cells have chloroplasts and large central vacuole.

Explanation:

<u>Case I </u>

Evolutionary unity is a concept which explains that all the organisms possess some common structure or universal structure or molecules.

The best characterized evolutionary molecule is DNA molecule which took the role of genetic material in past and is passed on to the daughter cells and still is made up of the same components which are a five-carbon sugar, four types of nitrogenous bases and a phosphate group. This DNA molecule is present in almost every organism except for a few viruses.

<u>Case II </u>

The specialization of the cellular components depends on the function a cell has to perform which became established in the population. The plant cells depended on the sunlight to prepare food for themselves which was done by the chloroplast organelle which is absent in the animal kingdom.

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True or false? The lungs have an efficient blood supply to take away the oxygenated blood and maintain the concentration gradien
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Answer:

true

Explanation:

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