Biology, 13.09.2019 05:30 rogersdanny7347
Which of the following steps has not yet been accomplished by scientists studying the origin of life?
a. synthesis of small rna polymers by ribozymes
b. formation of molecular aggregates with selectively permeable membranes
c. formation of protocells that use dna to direct the polymerization of amino acids
d. abiotic synthesis of organic molecules
Answers: 2
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Scientist wanted to formulate a pool to attack a specific type of bacteria that infects with you. what biological component would be best to use as a model for the pills function?
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Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?
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Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
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Which of the following steps has not yet been accomplished by scientists studying the origin of life...
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