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MA_775_DIABLO [31]
2 years ago
11

While conducting experiments with E. coli, Meselson and Stahl established that during DNA replication, each of the two strands t

hat compose the double helix were used as a template for the new strands of DNA. The scientists described the replication method as semi-conservative. Explain what this means in terms of DNA replication.
A) The two original DNA strands, the parental strands, woulde-be used as templates to synthesize new strands.
B) After base pairing, both copies of the new DNA molecules would be a mix of alternating segments of old and new DNA.
C) Base pairing would result in two double-stranded DNA molecules that would include one parental or old strand and one daughter or new strand.
D) The two newly-synthesized strands, the daughter strands, would basepair with each other; one to form one all-old strand and one all-new strand.
Biology
2 answers:
alekssr [168]2 years ago
8 0

Answer: d

Expanation:

dimulka [17.4K]2 years ago
8 0

Answer:

the answer is not D its C

Explanation:

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5 0
3 years ago
How do glow sticks light up in the dark?
Marina CMI [18]

All liquid glow products depend on a chemical process known as CHEMILUMINESCENCE to produce their light. ... When the stick bends, the glass vial breaks allowing the two liquids to mix together. The chemical reaction begins immediately resulting in a bright, fantastic glow.

4 0
3 years ago
Which of the following is a function of the mitochondria in a cell?
Wittaler [7]
It’s b beachside it causes respiration
7 0
2 years ago
What are two types of passive transport
Keith_Richards [23]

Answer:

diffusion and osmosis

Explanation:

diffusion is the movement of molecules across the membrane from an area of high concentration to an area of low concentration occurring with or without the help of membrane protein. Osmosis is the diffusion of water molecules.

3 0
2 years ago
The _____________ is a fluoroscopic examination of the esophagus, stomach, and duodenum, involving oral administration of barium
Dmitry_Shevchenko [17]

Answer:

upper gastrointestinal scan

Explanation:

Upper gastrointestinal series is the radiographic examination of upper gastrointestinal tract. Esophagus, stomach and then duodenum are visible on the X-ray film by the use of the liquid suspension which may be barium or water-soluble contrast.

Fluoroscopy is used during upper GI series. A continuous beam of X-ray rays is passed through body part and is transmitted to the monitor so that body part and the motion of it can be seen in every detail. <u>In upper GI series, the fluoroscopy allows radiologist to see movement of barium through esophagus, stomach, and duodenum as the person drinks.</u>

3 0
3 years ago
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