Biology Winter Tri Mid-Term Quiz

Beschreibung

Melinda's 2015 Mid-Term Biology Practice Questions
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Quiz von lexileff, aktualisiert more than 1 year ago
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Erstellt von lexileff vor fast 10 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
What determines a proteins function?
Antworten
  • A protein' shape
  • A protein's oxidation
  • A protein's color
  • A cell's shape

Frage 2

Frage
What happens when hemoglobin mutates at a critical point?
Antworten
  • The function changes
  • The shape changes
  • Nothing changes

Frage 3

Frage
What are the types of hereditary traits?
Antworten
  • Preferances
  • Predisposition to medical disorders/diseases
  • Behavioral traits
  • Opinions
  • Physical traits

Frage 4

Frage
Males have two Y chromosomes and females have one Y and one X chromosome
Antworten
  • True
  • False

Frage 5

Frage
How many chromosomes do humans have and where do they come from?
Antworten
  • 48 (24 from the mother and 24 from the father)
  • 48 (12 from the mother, 12 from the father, and 24 are created once the baby is concieved)
  • 46 (23 from the mother and 23 from the father)
  • 46 (24 from the mother and 22 from the father)
  • 50 (25 from the mother and 25 from the father)

Frage 6

Frage
How many natural amino acids are there?
Antworten
  • 21
  • 12
  • 56
  • 20

Frage 7

Frage
The nucleus of a cell is like a computer's hard-drive
Antworten
  • True
  • False

Frage 8

Frage
The DNA of a cell (held in the nucleus) is like a computers software
Antworten
  • True
  • False

Frage 9

Frage
mRNA act like cellular 3-D printers
Antworten
  • True
  • False

Frage 10

Frage
Ribosomes act like messengers or flashdrives within the cell, sending copies of software
Antworten
  • True
  • False

Frage 11

Frage
Genes are made of nucleotides (A, T, C, and G)
Antworten
  • True
  • False

Frage 12

Frage
Genes are instructions for printing proteins
Antworten
  • True
  • False

Frage 13

Frage
Amino acids are used to build the nucleus
Antworten
  • True
  • False

Frage 14

Frage
tRNA are "truckers" that bring amino acids to ribosomes that are creating proteins
Antworten
  • True
  • False

Frage 15

Frage
One gene is enough DNA to give ribosomes protein making instructions
Antworten
  • True
  • False

Frage 16

Frage
What is a misspelling (in terms of genetics)?
Antworten
  • A mutation in genetic code
  • When mRNA prints the wrong proteins
  • When you use the wrong letters to spell a word
  • When you miss or skip the first step of cellular division

Frage 17

Frage
DNA polymerase is the editing enzyme
Antworten
  • True
  • False

Frage 18

Frage
Where does transcription take place?
Antworten
  • The ribosomes of a cell
  • The nucleus
  • The cytosol
  • The cell wall

Frage 19

Frage
Where does translation occur?
Antworten
  • The ribosomes of a cell
  • The nucleus
  • The cytosol
  • The cell wall

Frage 20

Frage
What is transcription
Antworten
  • The process of converting DNA code into mRNA code
  • The process of converting DNA code into proteins
  • The process of converting mRNA code into proteins
  • The process of converting proteins into DNA

Frage 21

Frage
What is translation?
Antworten
  • The process of converting DNA code into mRNA code
  • The process of converting DNA code into proteins
  • The process of converting mRNA code into proteins
  • The process of converting proteins into DNA

Frage 22

Frage
During the DNA replication process, a double helix is unzipped and both sides' genetic codes are matched to create two identical double helices.
Antworten
  • True
  • False

Frage 23

Frage
What is helicase?
Antworten
  • an cell
  • an enzyme that unzips a double helix
  • a metal briefcase
  • a enzyme that converts DNA into mRNA
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