What are the gene products made by each class?
What will be an ideal response?
Proto-oncogenes encode proteins that participate in cell division, such as growth factors, growth factor receptors, signal transduction proteins, and activators of gene expression. Tumor suppressor genes encode proteins that inhibit the division of mutant cells; examples are p53, APC, and DCC.
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Which of the following carcinogens is 70% greater in marijuana smoke than tobacco cigarette smoke?
A. Tar B. Benzene C. Benzopyrene D. Nitrates
The examination of the physical and chemical properties of urine to determine the presence of abnormal elements is known as ____
A) pyuria B) proteinuria C) urinalysis D) glycosuria
Which of the following forms of contraception has the lowest failure rate?
A) contraceptive sponge B) withdrawal C) cervical cap D) monthly injections
Which of the following motions occurs primarily in the sagittal plane?
A. running B. a pirouette C. a cartwheel D. All of these answers are correct.