PHYSIOLOGY TEST BANK: CHAPTER 2 CELL PHYSIOLOGY EXAM

PHYSIOLOGY TEST BANK: CHAPTER 2 CELL PHYSIOLOGY EXAM A cell's cytoplasm consist of _____ a. cytosol, plasma membrane, & mitochondria b. plasma membrane, organelles, & ribosomes c. cellular plasma, organelles, & exoskeleton d. osmotic fluid, DNA, & cytoskeleton e. cytosol, organelles, & cytoskeleton - CORRECT ANSWER- e. cytosol, organelles, & cytoskeleton An organism's structure & function ultimately depend on what 2 factors within its cells? a. size & shape b. structural appearance & ability to produce energy c. collective functional capabilities & location d. collective structural characteristics & functional capabilities e. location within the body & overall number - CORRECT ANSWER- d. collective structural characteristics & functional capabilities What is the smallest structural/functional unit capable of carrying out life processes? a. an atom b. a molecule c. a cell d. an organ e. a specialized tissue - CORRECT ANSWER- c. a cell What is the average size (in diameter) of a typical human cell? a. about 100 micrometers b. about 10-20 micrometers c. about 1 micrometer d. about 10 millimeters e. about 1 millimeter - CORRECT ANSWER- b. about 10-20 micrometers How much more powerful are modern electron microscopes compared to light microscopes? a. 100x b. 50x c. 25x d. 10x e. 5x - CORRECT ANSWER- a. 100x What are the 2 major parts of a cell's interior? a. the intracellular fluid & matrix b. the nucleus & plasma membrane c. the nucleus & cytoplasm d. the DNA & cytoplasm e. the DNA & RNA - CORRECT ANSWER- c. the nucleus & cytoplasm What is the genetic material in a cell's nucleus called? a. ribosomal acid (RNA) b. chromosomal proteins c. ribonucleic acid (RNA) d. diatomic nucleic acid (DNA) e. deoxyribonucleic acid (DNA) - CORRECT ANSWER- e. deoxyribonucleic acid (DNA) How many chromosomes do regular human cells contain? a. 46 b. 43 c. 36 d. 23 e. 18 - CORRECT ANSWER- a. 46 How many primary types of RNA play roles in protein synthesis within cells? a. 2