Essential fatty acids must be obtained from the diet
a. true
b. false
a. true
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Imagine you were there when Stanley Miller carried out his experiment about the building blocks of life. If Miller originally identified five different amino acids, how many polypeptides that are 10 amino acids long
could be made from just these five amino acids? A. 5 ×10 = 50 B. 105 = 100,000 C. 510 = 9,765, 625 D. Cannot be determined
Which of the following is a way that protein function can be modified AFTER translation?
A) protein cleavage B) transcription regulation C) gene duplication D) exon shuffling E) gene rearrangement
Which of the photographs in the above figure represents the bryophyte?
a. A b. B c. C d. D e. both B and C
The interactions and exchange of energy between all feeding levels is known as a ________
A) feeding frenzy B) trophic level C) food web D) food succession