BIO SCI 97 Study Guide - Transfer Rna, Iodine Pentafluoride
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Negatively charged particles are found where in an atom?
Question 2 options:
In the nucleus | |||||||||
In a single layer outside the nucleus | |||||||||
In multiple layers outside the nucleus | |||||||||
Both inside and outside the nucleus You have a solution that has a pH of 8 and need it to be pH 5.What do you do? Question 4 options:
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What characteristic of carbon makes it a good backbone forcreating diverse and durable molecules?
Question 5 options:
Carbon is a large atom. | |
Carbon forms four covalent bonds. | |
Carbon forms hydrogen bonds. | |
All of the above |
Which of the following structures can be found together ineukaryotic cells?
Question 6 options:
cytoplasm and ribosomes | |
cytoplasm and plasma membrane | |
DNA and ribosomes | |
ribosomes and endoplasmic reticulum |
Gene ExpressionQuestions
Question 1
#1) Match the following reactions to the correct step of proteinsynthesis by ribosomes.
___ Hydrolysis of GTP and disassembly of the translationcomplex.
___ binding of initiator aminoacyl-tRNA
___ formation of the peptide bond
___ translocation of ribosome
___ Use of 2 mole-equivalents of ATP and attachment of an aminoacid to a transfer RNA molecule
Answer Choices for Number #1
A. initiation step
B. elongation step
C. termination step
D. aminoacyl-tRNA synthetase reaction
Question 2
#2) Mark which of the following are needed for the synthesis ofRNA by RNA polymerase:
___ primer
___ ATP, CTP, GTP, UTP
___ dATP, dCTP, dGTP, dTTP
___ template
Question 3
#3) Mark which of the following are properties of a bacteria(prokaryotic) messenger RNA:
___ | It has a cap at the 5'-end. | |
___ | It has a poly-A tail at the 3'-end. | |
___ | It has a 5'-untranslated region (UTR). | |
___ | It has a 3'-untranslated (UTR) region. |
Question 4
#4) Match the following RNA molecules to their respectivefunctions in the cell.
___ transfer RNA
___ ribosomal RNA
___ messenger RNA
___ small nuclear RNA (snRNA)
Answer Choices for Number #4
A. This RNA serves as the template for protein synthesis.
B. This molecule is a molecular component of ribosomes.
C. This molecule is a component of spliceosomes and serves torecognize the exon-intron junctions
D. This RNA molecule is delivers the amino acid to the ribosome andit recognizes the appropriate codons with its anticodon loop.