Genes

Description

Quiz on Genes , created by MPusey on 05/01/2015.
MPusey
Quiz by MPusey, updated more than 1 year ago
MPusey
Created by MPusey over 9 years ago
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Resource summary

Question 1

Question
What is a genotype?
Answer
  • The alleles an organism has
  • The characteristics an organisms alleles produce
  • A section of DNA that codes for a protein that results in a characteristic

Question 2

Question
What is a phenotype?
Answer
  • The alleles an organism has
  • The characteristics an organisms alleles produce
  • A section of DNA that codes for a protein that results in a characteristic

Question 3

Question
What is the process of the central dogma?
Answer
  • DNA replication --> transcription --> translation
  • RNA replication --> transcription --> translation
  • Mitosis --> translation --> transcription
  • DNA replication --> translation --> transcription

Question 4

Question
Where does DNA replication take place?
Answer
  • In the nucleus
  • In the cytoplasm
  • In extracellular fluid

Question 5

Question
Where does transcription take place?
Answer
  • In the nucleus
  • In the cytoplasm
  • In the extracellular fluid

Question 6

Question
Where does translation take place?
Answer
  • In the nucleus
  • In the cytoplasm
  • In the extracellular fluid

Question 7

Question
What is the name of the long arm of the chromosome?
Answer
  • Q arm
  • P arm
  • S arm
  • T arm

Question 8

Question
Where on the chromosome would you find the telomere?
Answer
  • At the end of each arm
  • In the centre
  • In the P arms only
  • In the Q arms only

Question 9

Question
What is the name for the centre of the chromosome?
Answer
  • Telomere
  • Centromere
  • Spindle
  • Chromatid

Question 10

Question
What is an intergenic region?
Answer
  • A region of DNA that does not code for a protein
  • Useless sections of DNA that are considered "junk"
  • A gene within another gene that codes for a different protein than the gene it is encompassed in
  • Regions of DNA where there is a DNA backbone but no DNA bases

Question 11

Question
What is the function of the intergenic regions?
Answer
  • They do not have a function
  • They have regulatory functions
  • They are there to make sure that the arms of the chromosome are symmetrical
  • They make up the telomere

Question 12

Question
Introns code for proteins. True or false?
Answer
  • True
  • False

Question 13

Question
Exons code for proteins. True or false?
Answer
  • True
  • False

Question 14

Question
Where does transcription begin?
Answer
  • At a promotor
  • At an ATT codon
  • At a palindrome
  • At the centromere

Question 15

Question
What is the function of RNA polymerase?
Answer
  • To add complementary RNA nucleotides to an elongating strand of mRNA
  • To unwind the DNA double helix locally
  • To add complementary DNA nucleotides to an elongating stand of mRNA

Question 16

Question
Which end of the mRNA is "capped" after transcription has occurred?
Answer
  • 5'
  • 3'

Question 17

Question
Which end of the mRNA is "polyadenylated" after transcription has occurred?
Answer
  • 5'
  • 3'

Question 18

Question
What is polyadenylation?
Answer
  • The addition of lots of adenines to the end of the new mRNA
  • The removal of the adenine at the 3' end of the new mRNA molecule
  • The addition of lots of ATP molecules to the end of the new mRNA molecule

Question 19

Question
What is spliced out of the mRNA after transcription?
Answer
  • Introns
  • Exons
  • Telomeres
  • Intergenic regions

Question 20

Question
Where are the introns spliced out of the mRNA?
Answer
  • In the nucleus
  • At a splicosome
  • At a ribosome
  • In the extracellular fluid
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