Cells & Tissues

Question 1

endocytosis

Answer 1

processes by which large molecules and particles enter cells

Question 2

phagocytosis

Answer 2

a type of endocytosis; process by which a cell forms cytoplasmic extensions to engulf foreign particles, cells, or macromolecules and then uses lysosomes to digest these substances

Question 3

exocytosis

Answer 3

mechanism by which substances are moved from the cell interior to the extracellular space; the main mechanism of secretion

Question 4

endoplasmic reticulum function

Answer 4

rough: synthesis of secreted proteins and the cells membranes
smooth: lipid and steroid synthesis, lipid metabolism, drug detoxification

Question 5

ribosomes function

Answer 5

protein synthesis

Question 6

golgi apparatus function

Answer 6

packaging, modification, segregation of proteins to the secreted from cell
inclusion in lysosomes
incorporation into plasma membrane

Question 7

lysosome function

Answer 7

intracellular digestion

Question 8

mitochondria function

Answer 8

ATP synthesis

powerhouse of cell

Question 9

microtubules function

Answer 9

support cell, cell shape
intracellular/cellular movements
form centrioles

Question 10

cilia, flagella function

Answer 10

movement

Question 11

microvilli function

Answer 11

maximize surface area

help anchor mucus to epithelium

Question 12

chromosome

Answer 12

bar like body of tightly coiled chromatin, visible during cell division

Question 13

how many chromosomes does a normal human have?

Answer 13

46