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Sever21 [200]
3 years ago
14

Which of the following statements is true about prokaryotic and eukaryotic cells?

Biology
1 answer:
zvonat [6]3 years ago
6 0
The answer is <span>A. Prokaryotic cells reproduce asexually using binary fission, while eukaryotic cells use mitosis to divide. 

Prokaryotic cells produce only asexually using binary fission. However, eukaryotic cells are more complex and they use mitosis to divide. They divide only sexually, so binary fission is not an option for eukaryotic cells.</span>
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In a loudspeaker, ............... energy is converted into sound energy.
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Answer:

electrical energy is converted

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2 years ago
What is the genotype for red hair?
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A molecule with the formula C18H36O2, would probably exhibit which of the following characteristics?
Mashcka [7]
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—————————

B describes carbohydrates, which can function as a storage of energy (e.g., starch or glycogen) or structural components (e.g., cellulose). The three examples just given are polymers of glucose, a monosaccharide; monosaccharide generally have the empirical formula CH2O; this is not the empirical formula of the given molecule (and, in any case, there are too few oxygen atoms for the number of carbon atoms), and so B is incorrect.

C describes an amino acid, likely an α-amino acid, which consist of a central, saturated carbon bonded to amino (—NH2) and carboxyl (—C(=O)OH) functional groups and a variable side chain, which determines the amino acid’s properties. Since the formula of an amino acid must contain nitrogen, which the formula given doesn’t have, the molecule couldn’t be an amino acid, and so C is incorrect.

D describes nucleic acids. Examples include DNA and RNA; nucleic acids and the nucleotide monomers that comprise them contain a nitrogenous base and a phosphate group. The given molecule’s formula has neither nitrogen nor phosphorus, and so cannot represent an amino acid, making D incorrect.
7 0
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