Which of the following statements about ribosomes is false?
A) A ribosome consists of two subunits.
B) Ribosomal subunits are made of proteins and ribosomal RNA.
C) The ribosomes of prokaryotes and eukaryotes are the exactly the same in structure and function.
D) Each ribosome has two binding sites for tRNA molecules.
Answer: C
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Scientific names
a. are always written in all capital letters and in italics. b. are always written in italics in lower case. c. are always written in lower case and underlined. d. are always written in italics with both genus and species capitalized. e. are always written in italics with only the genus capitalized.
The organism in the above photograph has
which of the following structural systems? a. cartilaginous b. bone c. hydrostatic d. chitinous e. none of these
How would the body regulate its normal body temperature in cold weather?
What will be an ideal response?
©McGraw-Hill EducationBased on the phylogeny shown, which characteristic is homoplastic?
A. seeds B. tree C. flowers D. needles