Answer the following statements true (T) or false (F)
1. Rods and cones, like most sensory receptors, depolarize open receiving a stimulus.
2. Perception of salty tastes occurs at the level of the taste bud.
3. Death of hair cells resulting from repeated exposure to loud noises is thought to be caused by metabolic "exhaustion" of these cells from continuous activation.
4. The most common defect in color vision, termed red-green color blindness, results from a faulty opsin gene.
5. Compound eyes in invertebrate animals are composed of many smaller ommatidia.
1. FALSE
2. FALSE
3. TRUE
4. TRUE
5. TRUE
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Flagella move in a whip-like motion.
Answer the following statement true (T) or false (F)
Precipitation can be a significant input of nutrients in ecosystems
Indicate whether the statement is true or false
The evolutionary history of a group of organisms from a common ancestor is termed:a
biohistory. b. phylogeny. c. phrenology. d. phenetics. e. species origenetics
Which of these statements about the composition of membranes is generally true?
A. The lipid composition of all membranes of eukaryotic cells is essentially the same. B. All biological membranes contain cholesterol. C. Free fatty acids are major components of all membranes. D. The inner and outer membranes of mitochondria have different protein compositions.