Biology, 23.11.2020 22:20 seiglersteven99
Match the star life stage with the correct element produced (choose the most
common for each stage).
Supernova
Big Bang.
Main sequence average star
Red Giant -average star
Red Giant - massive star
1. Hydrogen
2. Helium
3. Carbon
4.iron
5.gold
Answers: 1
Biology, 22.06.2019 14:20, emokid7822
As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.
Answers: 1
Biology, 22.06.2019 21:00, whereswoodruff
Some steps in cell division are shown below: 1. chromosomes condense and pair up 2. segments of dna of sister chromatids twist and cross 3. exchange of dna occurs between chromosomes 4. four daughter cells are created that are haploid which of the following steps is least likely to occur during meiosis 1?
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.
Answers: 1
Match the star life stage with the correct element produced (choose the most
common for each stage)...
Mathematics, 05.03.2021 09:50
Mathematics, 05.03.2021 09:50
Mathematics, 05.03.2021 09:50
Mathematics, 05.03.2021 09:50