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Zina [86]
3 years ago
8

1. How does a universal genetic code relate to the hypotheses about the origin of life on Earth?

Biology
1 answer:
Alona [7]3 years ago
6 0
Universal genetic code relate to the hypotheses about the origin of life on Earth <span>beacause of the RNA world hypoygeses. If RNA could self replicate then it could be a predecessor to how cell pass on their genetic materia today.</span>
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Evaluate the use of light microscope over electron microscope
zhuklara [117]

I’m pretty sure with the electron microscope you can see better. Let me know if I was wrong or right! Have a good rest fo your day as well!

3 0
3 years ago
Which cell type in Human lacks a nucleus? What function would this cell be unable to carry out?
AnnZ [28]

Answer:

Red Blood Cell lacks a nucleus, it would be unable to carry oxygen efficiently.

Explanation:

The absence of a nucleus is an adaptation of the red blood cell for its role. This allows the red blood cell to contain more hemoglobin and, therefore, carry more oxygen molecules. It also allows the cell to have its own distinctive bivalve shape, which promotes diffusion.

4 0
3 years ago
The stamen consists of a long stalk called the filament that supports the ________.
mixas84 [53]

Answer: Option D. "Anther"

Explanation:

The stamen is defined as the male reproductive part of flowers that produces pollen in a flower and collective form of stamens is called the androecium.

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Filament is the stalk of a stamen which supports anther whereas anther are two-lobed responsible for producing pollen.

Hence, the correct option is D, Anther.

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3 years ago
What is the difference between animals and bacteria ? what are the similarities ?
Leno4ka [110]

Answer:

Animals are multi-cellular organisms composed of eukaryotic cells, while bacteria are single-cell prokaryotic organisms. Animal cells are larger in size compared to bacteria cells. Animal cells don't have cell walls but bacteria cells have well defined walls.

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6 0
3 years ago
A black cat and a white cat have four black kittens in the F1 generation. In the F2
Grace [21]

there are three black kittens and one white kitten when f2 second filial generation offspring are crossed

lets consider the genotype of white cat WW and black cat as BB in first generation as its given in question all the offspring of f1genearation are black gives hint that  black is dominant over white now genotype of f1 offspring's are wB now in F2second filial generation  where 2 offspring of of f1 crossed the resultant offspring is 3 black kittens and 1 white kitten.

F2second filial generation  is the second filial generation of the offspring produced by inbreeding F1 people, whereas F1 generation refers to the first filial generation of the offspring from the parents

To learn more about f2 generation:

brainly.com/question/10736907

#SPJ4

3 0
1 year ago
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