BIOD 171 M1: MODULE 1 EXAM QUESTIONS AND CORRECT ANSWERS

BIOD 171 M1: MODULE 1 EXAM
QUESTIONS AND CORRECT
ANSWERS
T/F:A2AA2virusA2isA2consideredA2aA2microorganismA2-A2Ans--False.

VirusesA2areA2notA2livingA2andA2areA2thereforeA2notA2consideredA2microorganisms.A2Virus
esA2canA2beA2classifiedA2asA2microbesA2(aA2moreA2generalA2termA2thatA2includesA2microor
ganismsA2andA2viruses).

WhatA2isA2theA2smallestA2biologicalA2unitA2ofA2life?A2-A2Ans--AA2cell

AtA2aA2generalizedA2level,A2allA2cellsA2areA2comprisedA2ofA2what?A2-A2Ans--
macromolecules

HowA2manyA2differentA2typesA2ofA2aminoA2acidsA2areA2availableA2fromA2whichA2toA2makeA2
proteins?A2-A2Ans--20

DefineA2anA2essentialA2aminoA2acid.A2-A2Ans--
AnA2essentialA2aminoA2acidA2cannotA2beA2producedA2byA2theA2humanA2bodyA2andA2asA2su
chA2mustA2beA2takeA2inA2fromA2theA2environmentA2throughA2alternativeA2sourcesA2(i.e)A2fo
od.

WhereA2canA2theA2twoA2majorA2typesA2ofA2nucleicA2acidsA2beA2foundA2inA2theA2cellA2andA2
whatA2areA2theirA2roles?A2-A2Ans--
DNAA2andA2RNAA2canA2bothA2beA2foundA2inA2theA2nucleus,A2butA2onlyA2RNAA2isA2ableA2toA
2leaveA2theA2nucleus.A2
-
A2DNAA2containsA2aA2largeA2amountA2ofA2hereditaryA2informationA2andA2isA2responsibleA2f
orA2theA2inheritableA2characteristicsA2ofA2livingA2organisms.A2
-
A2RNAA2isA2responsibleA2forA2decipheringA2theA2hereditaryA2informationA2inA2DNAA2andA2u
singA2itA2toA2synthesizeA2proteins.

CompleteA2theA2followingA2DNAA2strand,A2andA2indicateA2howA2manyA2bondsA2are
formedA2forA2eachA2complementaryA2pair:
3'A2GGTCATCGA25'
5'A2CCA2AGCA23'A2-A2Ans--3'A2GGTCATCGA25'
5'A2CCAGTGCA23'A2

ThereA2areA22A2bondsA2formedA2betweenA2AA2andA2T,A2andA23A2bondsA2betweenA2GA2and
A2C.