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Ivahew [28]
2 years ago
15

Whhich body has a period of rotation of one day?

Biology
2 answers:
Igoryamba2 years ago
8 0
A. The Earth. Hope this helps, hun!

-Hannah<span />
Alexeev081 [22]2 years ago
8 0
The answer is A. Earth. 
The Earth's rotation determines our 24 hour day on Earth. The sun "rises" when we turn toward the sun and "sets" when we rotate away from it. 

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In garden peas, long stems are dominant to short stems, and yellow seeds are dominants to green seeds, too long/yellow pea plant
Lera25 [3.4K]

Answer:

A) 300

B) 3:1

C) 9 long yellow : 3 long green : 3 short yellow : 1 short green

Explanation:

Long stems (L_) are dominant to short stems (ll)

Yellow seeds (Y_) are dominant to green seeds (yy)

We interbred pea plants with long stems and yellow seeds (L_Y_), but they had a short green parent (llyy) that could have only produced <em>ly</em> gametes, so our plants are heterozygous <em>LlYy</em>.

C) We interbred them LlYy x LlYy. If the two genes are unlinked, this is a typical dihybrid cross and from Mendel's law of independent assortment we know that the offspring will have the following phenotypic ratios:

  • 9/16 L_Y_ (Long, yellow)
  • 3/16 L_yy (Long, green)
  • 3/16 llY_ (short, yellow)
  • 1/16 llyy (short, green)

A) 3/16 × 1600 = 300 plants will be long and green.

B)

9/16 + 3/16 = 12/16= 3/4 plants will be yellow;

3/16 + 1/16 = 4/16= 1/4 plants will be green.

The ratio will be 3 yellow : 1 green

6 0
3 years ago
You are handed a model of a protein. It has a three-dimensional shape, and by twisting it, you can see that there is only one po
Minchanka [31]

Answer and Explanation:

1. Amino-acid sequence is the primary structure of a protein

2. Alpha helices, beta sheets and coiled coils refers to the protein folding and they represent the secondary structure of a protein

3. Protein ensemble formed by alpha helices, beta sheets and coiled coils represent the tertiary structure of a protein

4. Macromolecules with multiple polypeptides form globular or fibrous protein structures (quaternary structure)

8 0
2 years ago
In order for DNA to replicate, the strand must separate at which of the following locations?
Masja [62]

Answer:

i think its D because the plant cell runs off the sugar cells

Explanation:

4 0
2 years ago
How does weathering help to create soil?
liberstina [14]
Weathering breaks down and loosens the surface minerals of rock. Hence, the broken rocks are transported to another place where it decomposes and forms soil. Therefore weathering is important for soil formation
7 0
3 years ago
The three stages of metamophism are
Goshia [24]

i think it's contact, dynamic, and regional

hope this helps

8 0
2 years ago
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