The lack of oxygen in the ancient Earth's atmosphere was beneficial because oxygen combines with organic molecules to prevent them from forming polymers.
Answer the following statement true (T) or false (F)
True
The lack of oxygen in the ancient Earth's atmosphere was beneficial because oxygen combines with organic molecules to prevent them from forming polymers.
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Oocytes are found in an ovary in
(a) seminiferous tubules. (b) follicles. (c) corpora lutea. (d) none of the above.
Rett syndrome results from
A) a microRNA that binds the wrong set of mRNA targets. B) unstable transposons. C) fetal hemoglobin that is reactivated in a child. D) abnormal methylation of a gene expressed in the brain.
Thyroxine is an amino acid-derived hormone that binds to plasma membrane receptors on the surface of target cells
Indicate whether the statement is true or false
Which of the following statements regarding mitosis and meiosis is false?
A) Mitosis provides for growth and tissue repair. B) Meiosis provides for asexual reproduction. C) In mitosis, the chromosomes replicate only once in the preceding interphase. D) All the events unique to meiosis occur during meiosis I.