Which of the following causes mutations in DNA?
What will be an ideal response?
radiation, sunlight, smoking, Errors in DNA Replication
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A flower must have one or more ____ to be able to make seeds
a. stamens b. sepals c. carpels d. stamens and sepals e. stamens and carpels
Which of the following best describes the endosymbiotic theory?
a. Aerobic respiration is more efficient than anaerobic respiration. b. Prokaryotes evolved to live side by side with eukaryotes. c. Eukaryotes are the result of one prokaryotic cell engulfing another. d. Mitochondria can only live inside a eukaryotic cell.
DNA is separated, and then duplicated, during cellular reproduction. Which process results in cells that contain slightly different combinations of genes compared to the parent cell?
A) meiosis B) mitosis C) fertilization D) cytokinesis
The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called
A. estrogen. B. progesterone. C. human chorionic gonadotropin (HCG). D. follicle-stimulating hormone (FSH). E. luteinizing hormone (LH).