BIO 101 Exam 2 WCC 93 Questions with Verified Answers,100% CORRECT
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Course
BIO 101
Institution
BIO 101
BIO 101 Exam 2 WCC 93 Questions with Verified Answers
Function units of nucleic acids - CORRECT ANSWER nucleotides
Physical makeup of a nucleic acid - CORRECT ANSWER 5 carbon ribose sugar, phosphate group, and a nitrogenous base
the nitrogenous bases are - CORRECT ANSWER adenine, guanine, ...
BIO 101 Exam 2 WCC 93 Questions with Verified Answers
Function units of nucleic acids - CORRECT ANSWER nucleotides
Physical makeup of a nucleic acid - CORRECT ANSWER 5 carbon ribose sugar,
phosphate group, and a nitrogenous base
the nitrogenous bases are - CORRECT ANSWER adenine, guanine, thymine,
cytosine, and uracil
replication - CORRECT ANSWER makes a copy of a Dna strand
helicase - CORRECT ANSWER breaks open the dna ladder during replication
dna polymerase - CORRECT ANSWER binds molecules and brings in copies during
replication
ligase - CORRECT ANSWER joins molecules back together during replication
transcription and translation are known together as - CORRECT ANSWER protein
synthesis
transcription - CORRECT ANSWER copying a gene only
gene - CORRECT ANSWER small segment of dna that codes for a specific protein
codon - CORRECT ANSWER reads three base pairs at a time
anticodon - CORRECT ANSWER transfer RNAS contain anticodons to match up
with codons
stop codon - CORRECT ANSWER stops the codon from reading
the genetic code - CORRECT ANSWER which amino acid codes with which base
pair
, start codons - CORRECT ANSWER tells the codon where to start reading from
nucleic acids bond by - CORRECT ANSWER weak hydrogen bonds between base
pairs
introns - CORRECT ANSWER does not code for a specific protein
exons - CORRECT ANSWER contains information for coding proteins
hox genes(master control genes) - CORRECT ANSWER control genes that
coordinate other genes and regulate gene expression
98% of our dna does not code for a specific - CORRECT ANSWER protein
master switch genes - CORRECT ANSWER turn genes on and off
single gene may form ________ or more proteins - CORRECT ANSWER three
more chromosomes does not mean - CORRECT ANSWER more complicated
humans have 23 pairs of - CORRECT ANSWER chromosomes
humans have 46 - CORRECT ANSWER chromosomes in total
mutation - CORRECT ANSWER change in a dna sequence
mutagens - CORRECT ANSWER substances that induce changes
types of mutagens - CORRECT ANSWER viruses, radiation, nicotine, tomatoes
point mutation - CORRECT ANSWER single nucleotide change
trisomy 21 (Down's syndrome) - CORRECT ANSWER extra chromosome on the
21st chromosome
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