56) Lysosome 57) Chloroplasts 58) Cell Membrane 59) Smooth endoplasmic reticulu

Question

56) Lysosome 57) Chloroplasts 58) Cell Membrane 59) Smooth endoplasmic reticulu 60) Golgi Apparatus a) site of membrane synthesis. b) cell stomach c) ice cream sandwich model d) site of photosynthesis * e) packages material for secretion 61) tRNA 62) mRNA 63) P-site 64) 5' cap 65) Poly-A tail a) tRNA hands off its amino acid to another molecule b) protects the molecule from premature wear c) like a trailer hitch for a nucleic acid d) reads a codon e) carries the message out of the nucleus For the following true false questions, mark "A" for true and "B" for false. 66) Absorption of nutrients does not occur in the stomach. 8 67) Microfilaments are composed of a spherical protein called actin.A 68) Exergonic/Catabolic reactions consume energy.S (release 69) Apoptosis is the reason why humans aren't born with tails ic nathways involve metabolism of stored fat deposits. A ting called the jeju

Explanation / Answer

61. d. tRNA bears anticodon for the codon.

62. e. DNA is present in the nucleus. mRNA is transcribed in the nucleus and moves out to ribosomes in the cytoplasm for read-out.

63. a. tRNA transfers its amino acid to the growing peptide at the P-site of the ribosome

64. c. For transport of mRNA out of nucleus, the binding of Cap binding complex to the 5' cap must take place. mRNA without the 5' cap cannot be transported.

65. b. Poly-A tail increases the stability of mRNA and prevents degradation.

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