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Biology Winter Tri Mid-Term Quiz

Description

Melinda's 2015 Mid-Term Biology Practice Questions
lexileff
Quiz by lexileff, updated more than 1 year ago
lexileff
Created by lexileff over 9 years ago
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Resource summary

Question 1

Question
What determines a proteins function?
Answer
  • A protein' shape
  • A protein's oxidation
  • A protein's color
  • A cell's shape

Question 2

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

Question 3

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

Question 4

Question
Males have two Y chromosomes and females have one Y and one X chromosome
Answer
  • True
  • False

Question 5

Question
How many chromosomes do humans have and where do they come from?
Answer
  • 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)

Question 6

Question
How many natural amino acids are there?
Answer
  • 21
  • 12
  • 56
  • 20

Question 7

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

Question 8

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

Question 9

Question
mRNA act like cellular 3-D printers
Answer
  • True
  • False

Question 10

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

Question 11

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

Question 12

Question
Genes are instructions for printing proteins
Answer
  • True
  • False

Question 13

Question
Amino acids are used to build the nucleus
Answer
  • True
  • False

Question 14

Question
tRNA are "truckers" that bring amino acids to ribosomes that are creating proteins
Answer
  • True
  • False

Question 15

Question
One gene is enough DNA to give ribosomes protein making instructions
Answer
  • True
  • False

Question 16

Question
What is a misspelling (in terms of genetics)?
Answer
  • 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

Question 17

Question
DNA polymerase is the editing enzyme
Answer
  • True
  • False

Question 18

Question
Where does transcription take place?
Answer
  • The ribosomes of a cell
  • The nucleus
  • The cytosol
  • The cell wall

Question 19

Question
Where does translation occur?
Answer
  • The ribosomes of a cell
  • The nucleus
  • The cytosol
  • The cell wall

Question 20

Question
What is transcription
Answer
  • 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

Question 21

Question
What is translation?
Answer
  • 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

Question 22

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

Question 23

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