(ii) Some proteins are found in the plasma membrane. What part of the protein is within
the membrane itself?
(a) hydrophilic region
(b) hydroponic region
© hydrophobic region
(d) hydrocoel region
(iii) Which of the following is not an accurate description of a chromosome?
(a) It is a colored body localized in the nucleus.
(b) It is a protein and nucleic acid complex.
(c) It is the cellular structure that contains the genetic material.
(d) In eukaryotes, it is composed of many DNA molecules attached end to end.
(iv) A researcher made an interesting observation about a protein made by the rough ER
and eventually used to build a coll's plasma membrane. The protein in the membrane
was actually slightly different from the protein made in ihe ER. The protein was
probably changed in the
(a) Golgi apparatus
(b) mitochondrion
(c) nucleus
(d) chloroplast
(v) The "Transformation" experiment on mice were carried out by
) F. Griffith (b) Hershey and Chase (c) Avery et al
(d) Watson and Crick
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