Answers: 1
Biology, 23.06.2019 02:30, Elliendc7939
1. which of the following levels of protein organization shows the complete 3-d arrangement of the polypeptide chain? a) primary b) secondary c) tertiary d) quaternary 2. the carboxyl groups on a protein molecule are composed of which of the following elements? a) nitrogen and hydrogen b) carbon, hydrogen, and oxygen c) carbon and hydrogen d) nitrogen, oxygen, and carbon 3. what part of the protein molecule makes it unique from other proteins? a) the carboxyl group b) the amino group c) the peptide group d) the r group 4. which of the following is an example of a protein that plays a direct role in immune function? a) collagen b) antibodies c) enzymes d) hormones 5. which of the following statements correctly describes the composition of proteins? a) most are composed of 20 common amino acids. b) most are composed of 10 common amino acids. c) most are composed of 20 common fatty acids. d) most are composed of 10 common fatty acids.
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Biology, 23.06.2019 05:00, melanysanson11
What are the female parts of the flower called? a. carpel b. corolla c. sepals d. stamen is it really d?
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Biology, 23.06.2019 11:40, probablyacommunist
Выберите верные утверждения: 1. особенно хорошо развиты у птиц мозжечок и полушария мозга 2. у птиц, обычно, функционируют оба яичника. 3. за счет канатиков зародышевый диск всегда расположен сверху 4. у уток птенцы выводкового типа.
Answers: 1
What is the lining around the brain called?...
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