Describe briefly what is occurring at each step in the figure
What will be an ideal response?
This figure represents protein synthesis. Step one, the initiator tRNA attaches to a start codon. In step two, the large and small ribosomal subunits join to form a functional ribosome and initiator tRNA fits into P site. In step three, the anticodon of an incoming tRNA pairs with the next mRNA codon at A site. Step four, the amino acid on the tRNA at P site forms a peptide bond with the amino acid at A site. Step five, the tRNA at the P site leaves the ribosome and the ribosome shifts down by one codon. The tRNA previously at the A site is now at the P site. Step six is when protein synthesis stops when the ribosome reaches one of three potential stop codons on the mRNA strand.
You might also like to view...
After food and gastric juices combine, the gastric contents are referred to as
A) a bolus. B) secretin. C) plicae. D) chyme. E) bile.
The two major types of phagocytic cells are
A. neutrophils and monocytes. B. neutrophils and macrophages. C. monocytes and macrophages. D. lymphocytes and monocytes. E. eosinophils and T cells.
What is the correct chronological sequence of events for hearing?a: The tympanic membrane vibrates.b: Ossicles vibrate.c: Spiral organ hair cells convert stimulus to nerve impulse.d: Pressure waves from oval window travel through the scala vestibuli.
A. a, b, c, d B. c, b, a, d C. b, c, d, a D. a, b, d, c E. e, c, , a, b
The release of a mature egg from the ovary is called ________
A) Menopause B) Menses C) Ovulation D) Fertilization