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SDSU BIO 100 TEST 3 QUESTIONS WITH COMPLETE SOLUTIONS

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SDSU BIO 100 TEST 3 QUESTIONS WITH COMPLETE SOLUTIONS

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SDSU BIO 100 TEST 3



What is DNA? - Correct Answers -The genetic material found in all living organisms.
Double Helix (twisted ladder).

Where is DNA located in prokaryotes? - Correct Answers -It is found in the cytoplasm

Where is DNA located in eukaryotes? - Correct Answers -It is located in the nucleus.

What are chromosomes? - Correct Answers -Strands of DNA carrying gene info

Homologous Chromosomes - Correct Answers -One pair from mom, one pair from dad.

An organism that has pairs of chromosomes... - Correct Answers -Diploid

An organism that has one set of chromosomes... - Correct Answers -Haploid

The four bases of DNA - Correct Answers -Adenine,Thymine,Guanine,Cytosine
Bound to a phosphate chain
Two strands held together by hydrogen bonds

Which bases pair together? - Correct Answers -Adenine---> Thymine
Cytosine---> Guanine

What kind of direction does DNA have? - Correct Answers -Antiparallel

How many H bonds does Adenine and Thymine have? - Correct Answers -2

How many H bonds does Guanine and Cytosine have? - Correct Answers -3

What are the four bases that a nucleotide may contain? Which pairs can form between
why a:t and c:g - Correct Answers -A,T,C,G
A:T has 2 H bonds
G:C has 3 H bonds
hydrogen bonding

G2 - Correct Answers -is a period of rapid cell growth and protein synthesis during
which the cell readies itself for mitosis

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