Which of the following is NOT a direct consequence of the fact that DNA polymerase can only build onto the end of an existing nucleic acid?
Question 6 options:
DNA replication requires primers
Bits of DNA are lost from the ends of your chromosomes in each successive round of replication
RNA is involved in DNA replication
The enzyme "primase" is needed for DNA replication
There are multiple origins of replication on each eukaryotic chromosome
How does a nucleotide sequence code for a protein in nearly all living organisms?
Question 7 options:
a sequence of 3 nucleotides can code for one of 64 different amino acids
a sequence of 2 nucleotides can code for one of 64 different amino acids
a sequence of 2 nucleotides can code for one of 20 different amino acids
a sequence of 3 nucleotides can code for one of 20 different amino acids
a sequence of 3 nucleotides can code for 3 different amino acids
Fill in the blanks. To make one strand of DNA, _________ monomers are linked together in a chain, forming a polymer we call a(n) ________ .
Question 8 options:
nitrogenous bases, hydrogen bond
nucleotide, nucleic acid
amino acid, nucleic acid
nucleotide, nitrogenous base
amino acid, protein
Which of the following was NOT part of the ideas that Darwin used in his book On the Origin of Species?
Question 9 options:
organisms vary in characteristics that affect survival and reproduction
variation in traits is often heritable
descent with modification explains life's unity and life's diversity
organisms inherit characteristics from their parents that the parents acquired in their own lifetimes
natural selection is a cause of adaptive evolution
Here is a hypothetical mRNA sequence:
5' G G A U G C U A G U A U G A 3'
What is the amino acid sequence encoded by this mRNA?
Question 10 options:
Met-Ile-Val
Asp-Ala-Ser-Met
Met-Leu-Val
Ser-Met-Ile-Val
Gly-Cys
Which of the following is NOT a direct consequence of the fact that DNA polymerase can only build onto the end of an existing nucleic acid?
Question 6 options:
DNA replication requires primers | |
Bits of DNA are lost from the ends of your chromosomes in each successive round of replication | |
RNA is involved in DNA replication | |
The enzyme "primase" is needed for DNA replication | |
There are multiple origins of replication on each eukaryotic chromosome |
How does a nucleotide sequence code for a protein in nearly all living organisms?
Question 7 options:
a sequence of 3 nucleotides can code for one of 64 different amino acids | |
a sequence of 2 nucleotides can code for one of 64 different amino acids | |
a sequence of 2 nucleotides can code for one of 20 different amino acids | |
a sequence of 3 nucleotides can code for one of 20 different amino acids | |
a sequence of 3 nucleotides can code for 3 different amino acids |
Fill in the blanks. To make one strand of DNA, _________ monomers are linked together in a chain, forming a polymer we call a(n) ________ .
Question 8 options:
nitrogenous bases, hydrogen bond | |
nucleotide, nucleic acid | |
amino acid, nucleic acid | |
nucleotide, nitrogenous base | |
amino acid, protein |
Which of the following was NOT part of the ideas that Darwin used in his book On the Origin of Species?
Question 9 options:
organisms vary in characteristics that affect survival and reproduction | |
variation in traits is often heritable | |
descent with modification explains life's unity and life's diversity | |
organisms inherit characteristics from their parents that the parents acquired in their own lifetimes | |
natural selection is a cause of adaptive evolution |
Here is a hypothetical mRNA sequence:
5' G G A U G C U A G U A U G A 3'
What is the amino acid sequence encoded by this mRNA?
Question 10 options:
Met-Ile-Val | |
Asp-Ala-Ser-Met | |
Met-Leu-Val | |
Ser-Met-Ile-Val | |
Gly-Cys |