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katovenus [111]
3 years ago
9

Which of these has a warming effect on Earth? O A. More evaporation of water due to warmer temperatures causes low, thick clouds

to form. O B. More evaporation of water due to warmer temperatures increases water vapor, forming high, thin clouds. C. Earth's oceans absorb carbon dioxide from the atmosphere D. Rising carbon dioxide levels spur plant growth, causing increased carbon dioxide absorption.​
Biology
1 answer:
Phoenix [80]3 years ago
4 0

Answer:

A

Explanation:

Thick clouds can trap lots of heat. This has a warming effect on earth.

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DNA is replicated in the nucleus of eukaryotes, but in the cytoplasm of prokaryotes. Why is this?
umka2103 [35]

Answer:

In prokaryotes (organisms without a nuclear membrane), DNA undergoes replication and transcription and RNA undergoes translation in an undivided compartment. All three processes can occur simultaneously.

   In eukaryotes (organisms with a nuclear membrane), DNA undergoes replication and transcription in the nucleus, and proteins are made in the cytoplasm. RNA must therefore travel across the nuclear membrane before it undergoes translation. This means that  transcription and translation are physically separated. The primary transcript, heterogeneous nuclear RNA (hnRNA), undergoes extensive post-transcriptional processing to make a messenger RNA (mRNA)molecule that can pass through the nuclear membrane.

Explanation:

6 0
3 years ago
Read 2 more answers
Question 6 You cross a true-breeding red-flowered snapdragon with a true-breeding white-flowered one. All of the FI are pink. Wh
muminat

Answer:

E (Red shows incomplete dominance over white)

Explanation:

This portrays a monohybrid cross involving a single gene coding for flower colour in snapdragon plants. According to the question, a purebreeding red flowered (homozygous) plant is crossed with a purebreeding white flowered (homozygous) plant to produce an all pink flowered offspring. This phenomenon is called INCOMPLETE DOMINANCE.

Mendel, in his experiments, discovered that an allele can mask the expression of another in a heterozygous state. He called the allele that masks DOMINANT allele while the allele that is masked RECESSIVE allele. However, exceptions like INCOMPLETE DOMINANCE, has occurred in the sense that an allele does not completely mask the expression of its allelic pair, instead an intermediate phenotype, which is a combination/blending of both parental phenotypes is produced.

In this case, the red flowered snapdragon (RR) does not completely cover up the expression of white flower (rr), hence a hybrid/heterozygous offspring is produced that combines the phenotypic characteristics of both parents to form an intermediate flower colour (pink). Hence, it can be said that Red flower is incompletely dominant over white flower or no allele/trait is dominant or recessive to another.

3 0
3 years ago
Why do plants lose their leaves during winter?
rjkz [21]

Answer:

Plants loose their leaves in winter due to following reasons: The plants of these types are called deciduous plants. The leaves of these plants contain a chemical called Chlorophyll. Chlorophyll in the presence of sunlight make food for plant and the process is called photosynthesis.

This is the Answer for your question :3

I hope you are having a great day :3

7 0
3 years ago
Identify the following organism and state to which phylum it belongs​
Yuliya22 [10]

Answer:

it belongs to Coelenterata phylum.

3 0
3 years ago
Mark and his brothers worked together to pick tomatoes. Each of the 4 boys picked 8 pounds How many pounds did they pick in all?
Alex17521 [72]

Answer:

32

Explanation:

There are 4 boys who each picked 8 pounds.

Boy one- 8 pounds

Boy two- 8 pounds

Boy three- 8 pounds

Boy four- 8 pounds

All together- 32 Pounds

4 times 8= 32

7 0
2 years ago
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