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IrinaK [193]
3 years ago
9

How does energy flow through an ecosystem?

Biology
1 answer:
BaLLatris [955]3 years ago
3 0

the answer is the sun


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Answer some of this questions about Hellen Keller start chap 3 please help me
Allushta [10]
Chapter 3:
1. Her aunt created a doll out of towels and sowed eyes on the doll.
2. Dr.Alexander Graham Bell was a Scottish born scientist, inventor, engineer, and innovator who was credited with patenting the first practical telephone.

Chapter 4:
1. Because she is blind and deaf.
3. She lacks remorse/sympathy because she is blind and deaf and does not sense the environment.
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Which process plays an important role in the carbon cycle?
Taya2010 [7]
The answers are photosynthesis, respiration, decomposition, natural rock weathering and fossil fuel combustion.
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3 years ago
4. in the diagram below strand 1 and 2 to represent the two complementary strand a portion of a DNA double helix. The sequence o
romanna [79]
Answer: d

Remember you always have to have the opposite letter (Chargaff’s rule). A=T G=C vice versa T=A C=G.
I hope this helps, I’m sorry if it’s a but confusing:)
5 0
3 years ago
Which of the following statements describes mutations?
Luda [366]

Answer:

C

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4 0
1 year ago
Where in the cell cycle is dna polymerase most active? click the correct box?
astraxan [27]

The correct question with the options would be:

During which part of the cell cycle is DNA polymerase most active?

a. G1 phase of interphase

b. mitosis

c. S phase of interphase

d. G2 phase of interphase

e. cytokinesis

The correct answer is c. S phase of interphase.

The replication of the entire genome or the whole DNA occurs during the S-phase or also called synthesis phase. Therefore, the enzyme is DNA polymerase which carries out the replication of DNA shows its maximum activity. The DNA polymerase is active in various cell cycle checkpoints to detect the DNA damage but the repair action of DNA polymerase involves only a small region of DNA as compared to the whole genome during the S-phase.

6 0
3 years ago
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