Ribosomes are a collection of
A) small proteins that function in translation.
B) proteins and tRNAs that function in transcription.
C) proteins and small RNAs that function in translation.
D) proteins and mRNAs that function in translation.
E) mRNAs and tRNAs that function in translation.
C
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The pancreatic secretions governing glucose
levels are precisely controlled by a. neural connections to the pancreas. b. the blood-brain barrier. c. cooperative interactions. d. feedback mechanisms. e. releasing factors
Which of the following properly states the relationship between global temperature and global CO2 levels?
a. in the past 500 years, the temperature has increased rapidly, along with increases in carbon dioxide levels b. in the past 500 years, the temperature has increased rapidly, along with decreases in carbon dioxide levels c. in the past 140 years, the temperature has increased rapidly, along with rises in carbon dioxide levels d. in the past 140 years, the temperature has increase rapidly, along with decreases in carbon dioxide levels e. in the past 140 years, the temperature has decreased rapidly, along with decreases in carbon dioxide levels
The upper part of the neritic province is called the euphotic zone
____________________ Indicate whether the statement is true or false.
What major evolutionary innovation makes ferns different from their ancestors?
a. embryos encased in seeds b. the production of pollen c. flowers d. the alternation between haploid and diploid generations e. vascular tissue