A couple has two female children. The probability that their next child will be male will be 35%.
a. true
b. false
b. false
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Not all proteins achieve quaternary structure. What determines quaternary structure in proteins?
a. Quaternary structure results from protein denaturation and renaturation with the unraveled protein returning to its original shape and function. b. Quaternary structure results from modification once the protein is released from the cell and enters the extracellular space. c. Quaternary structure results from several formed polypeptides that interact with one another to form a larger, functional unit. d. Quaternary structure results from protein synthesis in the ribosome dictated by the detailed instructions of the mRNA.
Karyotype analysis ____
a. is a means of detecting and reducing mutagenic agents b. is a surgical technique that separates chromosomes that have failed to segregate properly during meiosis II c. can be used in prenatal diagnosis to detect chromosomal mutations and genetic disorders in embryos d. replaces defective alleles with normal ones e. is used in DNA analysis for paternity
Diseases can be caused by physiological functions that are considered adaptations in humans.
a. true b. false
What can you conclude from these data?
A) Sample 1 is likely from tissue in the middle of the plant because most cells are in interphase. B) Sample 2 is likely from tissue in the middle of the plant because there are fewer cells in telophase than are in prophase C) Sample 2 is likely from tissue in the middle of the plant because fewer cells are in any mitotic stage. D) Sample 1 is likely from tissue in the middle of the plant because fewer cells are in any mitotic stage than in sample 2.