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DNA
Test Description: Quick Regents practice review on genes and chromosomes.
Instructions: Answer all questions to get your test result.
1) What type of bonds are in between strands of DNA?
A
covalent bonds
B
hydrogen bonds
C
ionic bonds
D
james bonds
2) What do you call a subunit of DNA containing only three letters?
A
a triplet
B
a trifecta
C
a codon
D
a helix
3) What type of sugar is in a DNA molecule?
A
ribose
B
glucose
C
maltose
D
deoxyribose
4) What can nitrogenous bases also be called?
A
nucleic acids
B
ribose
C
phosphates
D
you know, those things
5) What will always pair with cytosine?
A
guanine
B
uracil
C
thymine
D
adenine
6) How many chromosomes does a NORMAL human being have?
A
48
B
8
C
46
D
6
7) If the sperm of a Drosophila contains 4 chromosomes, how many chromosomes do all of its other cells have?
A
8
B
4
C
46
D
2
8) What does RNA have that DNA doesn't?
A
thymine
B
uracil
C
cytosine
D
adenine
9) Which goes in order of increasing complexity?
A
allele, chromosome, gene
B
chromosome, allele, gene
C
chromosome, gene, allele
D
allele, gene, chromosome
10) DNA is made of
A
all of the above
B
proteins
C
phosphates
D
sugars
*select an answer for all questions
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