3 years ago

How did qualitative, chemical,and enzyme test help avery identify DNA as the transforming principle

1 answer:

6 0

Avery Identified through a qualitative test that DNA was present. Through a chemical test he found that the make up was DNA. Through enzyme testing Avery found that only DNA degradation stopped transforming.

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Label each level of dna packaging in the eukaryotic chromosome with the appropriate term.

Lostsunrise [7]

I assume this photo has the labels you are talking about.

DNA double helix consists of two strands that wind around each other with their nucleotides liked.-> it's the structure number 5
nucleosome- it's a segment of DNA wound in sequence around eight histones (proteins)- number 2
Histone- proteins with DNA around them, forming the nucleosome- number 4
Tight helical fiber- chromatin coiled very tightly- 3
Cromosome- chromatin condensed even tighter forming a X shape.- 1