Dr Nita Biol 1001 Test 2 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Yes - CORRECT ANSWER - Does the nucleus in a eukaryotic cell have DNA
nucleus - CORRECT ANSWER - Where is the dna in a eukaryotic cell
Cytoplasm - CORRECT ANSWER - where is the dna in a prokaryotic cell
chloroplast, mitochondria, nucleus - CORRECT ANSWER - what organelles contain dna
no - CORRECT ANSWER - are chloroplatal and mitochondrial dna similar in shape and
complexity to nuclear dna
Nucleus - CORRECT ANSWER - organelle containing chromosomal dna
Mitochondria - CORRECT ANSWER - produces ATP
Ribosomes - CORRECT ANSWER - Makes proteins
Interphase - CORRECT ANSWER - stage during cell division in which dna is synthesized
transciption and translation - CORRECT ANSWER - two steps of protein synthesis
DNA and RNA - CORRECT ANSWER - two types of nucleic acids
, MGRADES UPDATED EXAMS
sugar, phosphate and a nucleic base - CORRECT ANSWER - 3 parts of a nucleotide
atp - CORRECT ANSWER - an energy carrier molecule that is a ribose nucleotide with an
adenine base and 3 phosphate groups
DNA polymerase - CORRECT ANSWER - An enzyme that catalyzes the addition of
nucleotides to strand
DNA helicase - CORRECT ANSWER - unwinds the double helix
DNA gyrase - CORRECT ANSWER - keeps unwound dna helix from supercoiling
5' to 3' - CORRECT ANSWER - In what direction does DNA replication occur?
DNA ligase - CORRECT ANSWER - joins breaks in DNA backbone
semiconservative - CORRECT ANSWER - daughter strands of dna get a copy of mother
dna in a ______ manner
guanine, cytosine, adenine, thymine - CORRECT ANSWER - 4 nitrogen bases in DNA
Uracil - CORRECT ANSWER - Nitrogen base that pairs with adenine in RNA. (replaces
thymine)
hydrogen bonds - CORRECT ANSWER - links dna nucleotides
sugar-phosphate backbone - CORRECT ANSWER - The alternating chain of sugar and
phosphate to which the DNA and RNA nitrogenous bases are attached