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QveST [7]
3 years ago
9

What occurs at step 3 in the diagram?

Biology
2 answers:
Ivanshal [37]3 years ago
5 0

Answer:

A

Explanation:

The restriction enzymes cut the isolated DNA into fragments

Talja [164]3 years ago
5 0

Answer:

its B on edge

Explanation:

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A scientist observes some cells under a compound microscope and needs to determine if they are bacteria or yeast. Aside from siz
MAXImum [283]

Answer:

chitin and murein

Explanation:

The chemical compounds that distinguish bacteria cell from yeast cell are  

chitin and murein

Chitin is a polysaccharide present in the exoskeleton of fungi made up of chains of modified glucose known as N-acetylglucosamine. N-acetylglucosamine is derived from glucose

While murein is a mesh like structure made up of sugar and amino acids. Murein forms a layer outside the plasma membrane of bacterial cell.  

8 0
3 years ago
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1. name the mutation<br>original strand of dna:AATCGTC<br>mutated strand of dna:TAATCGTC<br>​
KIM [24]

Answer:

Insertion

Explanation:

An insertion is the addition of one or more nucleotide base pairs into a DNA sequence.

In this case, T was added to the strand

4 0
3 years ago
Cells will usually divide if they receive the proper signal at a checkpoint in which phase of the cell cycle? see concept 12.3 (
miskamm [114]
Cells will usually divide if they receive the proper signal at a checkpoint in the G1 phase of the cell cycle. In mammalian cells , this checkpoint is called the restriction point. The G1 phase is a phase of the cell cycle that takes place in eukaryotic cell division. In this phase the cell synthesizes mRNA and proteins in preparation for the subsequent steps leading to mitosis. It ends when the cell moves into the S phase of interphase. 
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3 years ago
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The cells that form from the first few divisions of a fertilized egg cell can
bogdanovich [222]

Answer:

The correct answer is D

Explanation:

8 0
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Which organisms other than green plants and green algae have been discovered to be able to make their own food through photosynt
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Cyanobacteria are oxygenic photosynthetic bacteria. They harvest the sun's energy, absorb carbon dioxide, and emit oxygen. Like plants and algae, cyanobacteria contain chlorophyll and convert carbon dioxide to sugar through carbon fixation. ... Cyanobacteria are found in various land biomes and aquatic environments.

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3 years ago
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