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Allushta [10]
3 years ago
12

The meselson-stahl experiment supported which mechanism for dna replication? see section 15.2 (page 320) .

Biology
1 answer:
Arte-miy333 [17]3 years ago
6 0
Answer;
DNA replication is semi-conservative.
The meselson-stahl experiment supported the hypothesis that DNA replication is semi-conservative.

Explanation;
The Meselson-Stahl experiment
was an experiment by Meselson and Stahl that proved that the semi-conservative model by Watson and Crick was correct. 
DNA replication is semi-conservative in the sense that the new helices formed after replication contain, one new DNA strand and one old strand from the parent DNA molecule.
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Anaerobic respiration

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From approximately 240 to 66 million years ago, dinosaurs dominated most of the land habitats on Earth. Around 66 million years
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3 years ago
People continue to have strong opinions triggering ongoing debates about stem cell research. Organize the points as either the p
JulsSmile [24]

Answer:

<u>Pro:</u>

May hold answers to cure various diseases including Alzheimer's and Parkinson's - these may be answers to various diseases that are not able to cure.

Requires a small number of cells because of the fast replication rate - these are able to produce a high amount of cells in the lab as they are able to replicate faster.

Medical benefits such as regenerating organ tissue and therapeutic cell cloning

<u>cons:</u>

ethical controversy over use of stem cells from lab fertilized human egg - there is an ethical controversy around the use of lab fertilized human egg

unproven treatments often come with high rejection rates - these researches provide uncertain results and not tested and easily affected so the rate of rejection is high

The cost can be prohibited for many patients - these require high cost and can not be in the budget of every patient.

8 0
3 years ago
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------------is a DNA sequence where RNA polymerase binds and begins the process of transcription. blank is a D N A sequence that
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Answer:

PROMOTER is a DNA sequence where RNA polymerase binds and begins the process of transcription. ENHANCER is a D N A sequence that binds regulatory proteins that interact with promoter-bound proteins to activate transcription.

Explanation:

8 0
3 years ago
What is the process of glacier development and growth called?
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glacial till

Explanation:

hope that helps you out mate!! good luck!!

4 0
4 years ago
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