Complementary DNA and/or RNA molecules pair with each other by hydrogen bonding during
replication, transcription, or translation. Which of the following pairs of molecules are complementary?
(Select all that apply) Co
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Complementary DNA and/or RNA molecules pair with each other by hydrogen bonding during
replication, transcription, or translation. Which of the following pairs of molecules are complementary?
(Select all that apply) Correct Answer-tRNA and mRNA
mRNA and template DNA
During DNA replication the parent strands ______ and DNA polymerase______. Correct Answerseparate, creates the new DNA strands
The following sequence is one strand of the DNA that makes up the SNCA gene that codes for alphasynuclein, a protein found in the brain. 5' ATGCGGTGACGG 3' Which of the following is the
complementary second DNA strand? Correct Answer-5' CCGTCACCGCAT 3'
Assume you start with one copy of target DNA. How many copies of DNA will be made after 4 rounds of
PCR (assume 100% reaction efficiency)? Correct Answer-16
What are the necessary ingredients for a PCR reaction? Correct Answer-dNTPs; thermostable DNA
polymerase; DNA primers; double-stranded DNA
A frameshift mutation changed this sequence 5' AAC GCT TAG 3' to which of the following? Correct
Answer-3' GAT TCG CA 5'
Which choice represents a silent mutation for this sequence: 5' GGU UGC ACU 3'? Correct Answer-5'
GGU UGC ACA 3'
Beta thalassemia is a disease that causes low levels of hemoglobin. To inherit this autosomal disease, an
individual must receive two mutant alleles. Which of the following likely represents the chromosome
pairs of a healthy parent who has a child with beta thalassemia? (The yellow band represents the
mutant allele and the green band represents the normal allele.) * Correct Answer-Option 3- The
chromosomes of a healthy parent who has a child with beta thalassemia must be a carrier of the
disease, i.e. the parent must have one copy of the (dominant) normal allele and one copy of the
(recessive) mutant allele.
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