16. What is the function of tRNA? A) deliver information to ribosomes for the bu

Question

16. What is the function of tRNA?
A) deliver information to ribosomes for the building of proteins
B) creates RNA strands based on DNA templates
C) form ribosomes and build proteins
D) picks up amino acids from the cytoplasm and delivers them to ribosomes



17. How are genes (and therefore protein production) regulated?
A) DNA regulates itself, it knows when to transcribe and when to stop
B) regulatory proteins interact with DNA to speed up or slow down production
C) they aren't, all proteins are constantly transcribed
D) mutations in the DNA cause genes to turn on and off



18. Codons are made of ________ and anti-codons are made of ________.
A) tRNA, mRNA
B) DNA, tRNA
C) DNA, mRNA
D) mRNA, tRNA



19. A genome is
A) all the DNA in a single gene
B) all the DNA in a single cell
C) all the DNA in a single set of chromosomes
D) all the DNA in a single chromosome



20. PCR (polymerase chain reaction) is useful because it
A) produces a "map" of the genes in an organism
B) uses heat and enzymes to produce many copies of a DNA sequence
C) shows the genes being expressed in a tissue
D) replaces mutated genes with normal genes

Explanation / Answer

16. What is the function of tRNA? B) creates RNA strands based on DNA templates 17. How are genes (and therefore protein production) regulated? A) DNA regulates itself, it knows when to transcribe and when to stop 18. Codons are made of ________ and anti-codons are made of ________. D) mRNA, tRNA 19. A genome is B) all the DNA in a single cell 20. PCR (polymerase chain reaction) is useful because it C) shows the genes being expressed in a tissue

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.