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Questions in biology

📝 Answered - Which flow chart correctly organizes the structures of heredity, from least to most complex? A. codon → gene → DNA → chromosome B. gene → chromosome → codon → DNA C. DNA → codon → chromosome → gene D. chromosome → DNA → gene → codon

📝 Answered - Which two animals use echolocation? A. bats and humans B. bats and dolphins C. dolphins and humans D. dolphins and butterflies

📝 Answered - Which of the following is found in the 'rungs' of a DNA strand? A. Uracil B. Deoxy Ribose C. Phosphate D. Thymine

📝 Answered - The superficial layer of epidermal cells are: A. Well nourished B. Cuboidal C. Highly mitotic D. Squamous Why does the elevated body temperature seen with a fever develop? A. Because the set point for body temperature is decreased. B. Because the hypothalamus stops monitoring body temperature. C. Because infection destroys the hypothalamus and, thus, the control center for body temperature. D. Because the set point for body temperature becomes elevated.

📝 Answered - Which incorrectly matches process and location? a. Rubisco catalyzes carbon fixation - the stroma b. NADPH is oxidized to NADP+ - the stroma c. Oxygen gas is produced - the thylakoid space d. Activated chlorophyll donates an electron - the thylakoid membranes e. ATP is produced - the intermembrane space

📝 Answered - Large organs contained in the ventral cavity are called what?

📝 Answered - 2. What are the roles of the following enzymes and secretions in the process of digestion? Explain each of them. a. Salivary amylase b. Bile c. Rennin d. Hydrochloric acid 3. How do the following accessory organs help in the process of digestion? a. Liver b. Pancreas c. Gallbladder B. Complete the crossword puzzle by filling in the blanks with the correct digestive system terms. Across: 3. The organ that produces bile to aid in digestion 5. A digestive enzyme found in saliva that breaks down starch 6. Structures in the mouth that crush food into smaller pieces 8. The storage organ for the bile 10. The organ that stores solid waste before it is expelled Down: 1. The larger part of the intestine, also called the colon 2. Glands in the mouth that produce saliva 4. The part of the intestine where most nutrient absorption occurs 7. The muscular organ that helps with tasting and swallowing food 9. The tube connecting the throat to the stomach

📝 Answered - Roundworms differ from flatworms in having: A. Circulatory system B. Pseudocoelom C. Bilateral symmetry D. Triploblasty

📝 Answered - What is the function of the lacrimal apparatus? A. to wash the surface of the eye B. to help focus the eye C. to conduct light into the eye D. to close the lens of the eye E. to secrete tears

📝 Answered - Sun is a ____ source of energy? a. natural b. artificial c. intelligent d. none