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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
ionic bonds
C
hydrogen bonds
D
james bonds
2) What do you call a subunit of DNA containing only three letters?
A
a codon
B
a helix
C
a triplet
D
a trifecta
3) What type of sugar is in a DNA molecule?
A
maltose
B
ribose
C
glucose
D
deoxyribose
4) What can nitrogenous bases also be called?
A
nucleic acids
B
phosphates
C
you know, those things
D
ribose
5) What will always pair with cytosine?
A
uracil
B
adenine
C
guanine
D
thymine
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
46
B
4
C
2
D
8
8) What does RNA have that DNA doesn't?
A
uracil
B
cytosine
C
thymine
D
adenine
9) Which goes in order of increasing complexity?
A
chromosome, allele, gene
B
allele, gene, chromosome
C
chromosome, gene, allele
D
allele, chromosome, gene
10) DNA is made of
A
sugars
B
phosphates
C
proteins
D
all of the above
*select an answer for all questions
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