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BIO101 HUMAN A&P

BIO101 PRACTICE CH 3 & 4

QuestionAnswer
BIO101 HUMAN A&P PRACTICE CH 3
THE 3 MAJOR PARTS OF A CELL ARE: a. the nucleus, nucleolus, and nuclear envelope b. the nucleus, cytoplasm, and cell membrane c. microtubules, ribosomes, and centrosomes d. the endoplasmic reticulum, Golgi apparatus, and vesicles the nucleus, cytoplasm, and cell membrane
STAGES OF THE CELL CYCLE UNFOLD IN THE FOLLOWING ORDER: a. interphase, differentiation, cytoplasmic division, mitosis b. mitosis, interphase, cytoplasmic division, differentiation c. interphase, mitosis, cytoplasmic division, differentiation interphase, mitosis, cytoplasmic division, differentiation
CHROMOSOMES DUPLICATE DURING: a. prophase b. interphase c. telophase d. metaphase interphase
DESCRIBES STRUCTURAL ORGANIZATION OF CELL MEMBRANE? a. 3 layers; lipid>in, protein>mid, carbs>out. b. solid rigid layer of phospholipid w loosely bound protein molecules. c. bilayer of phospholipid molecules > protein molecules are embedded & can move. bilayer of phospholipid molecules > protein molecules are embedded & can move.
IF A RED BLOOD CELL IS PLACED IN HYPOTONIC SOLUTION: a. cell will shrink b. cell will remain same size and shape c. cell will swell and may eventually burst d. only permeable substances will leave; but concentrations in the cell do not change cell will swell and may eventually burst
OSMOSIS IS THE MOVEMENT OF a. water through selectively permeable membrane to solution containing higher concentration of impermeant solute. b. water through selectively permeable membrane to solution containing lower concentration of impermeant solute. water through selectively permeable membrane to solution containing HIGHER concentration of impermeant solute.
IF CELLS PLACED IN A SOLUTION SHRIVEL UP, THE SOLUTION IS ___. a. isotonic b. hypertonic c. hypotonic d. isertonic hypertonic
THE MAJOR COMPONENTS OF THE CELL MEMBRANE ARE a. lipids and proteins b. lipids and carbohydrates c. carbohydrates and polysaccharides d. proteins and carbohydrates lipids and proteins
A HYPOTONIC SOLUTION a. has a lower concentration (#) of impermeantsolute than do the cells in the solution. b. causes cells to shrink c. has a higher osmotic pressure than do the cells in the solution d. would cause cells in solution to lose water has a lower concentration (#) of impermeantsolute than do the cells in the solution.
AN ISOTONIC SOLUTION a. has the same osmotic pressure as the cells in the solution b. has more water entering than leaving a cell c. has a greater concentration of impermeant solute than a cell d. causes a cell to shrink has the same osmotic pressure as the cells in the solution
THE NUCLEOLUS CONTAINS a. DNA only b. DNA and protein c. RNA and protein d. RNA only RNA and protein
BIO101 HUMAN A&P PRACTICE CH 4
THE 2 STRANDS OF A DNA MOLECULE HAVE OPPOSITE ORIENTATION TRUE or FALSE TRUE
THE TERM METABOLISM REFERS TO a. reactions in the body that break down proteins/nucleic acids b. breakdown of glucose molecules to release energy c. all the chemical reactions in a cell d. reactions in the body that synthesize proteins/nucleic acids. all the chemical reactions in a cell
IF 1 STRAND OF DNA HAS THE SEQUENCE TCAGGCTATTCCCG, THE COMPLEMENTARY SEQUENCE OF THE OTHER STRAND IS: a. UCAGGCUAUUCCCG b. AGUCCGAUAAGGC c. TCAGGCTATTCCCG d. AGTCCGATAAGGGC AGTCCGATAAGGGC strand 1- T C A G G C T A T T C C C G strand 2- A G T C C G A T A A G G G C To find the complementary DNA strand, use base-pairing rules: A ↔ T and C ↔ G
A MOLECULE THAT IS A STORAGE FORM OF CARBOHYDRATE IS a. glycogen b. an amino acid c. glycerol d. DNA glycogen
THE CODON THAT WILL SIGNAL WHERE TO BEGIN MAKING A POLYPEPTIDE IS ___. a. AGG b. TAC c. TTA d. AUG AUG (AUG is the start codon in mRNA It codes for the amino acid methionine)
ATP IS IMPORTANT TO CELLULAR PROCESSES BECAUSE IT a. provides energy for cellular work when the terminal, high-energy bond is broken b. is a by-product of all catabolic reactions c. is formed by muscles contracting or whenever cellular work occurs provides energy for cellular work when the terminal, high-energy bond is broken
THE TERM CATABOLISM REFERS TO a. chemical reactions that acquire energy b. chemical reactions that release energy c. the formation of genetic material d. synthesis of large molecules chemical reactions that release energy
TRANSCRIPTION YIELDS PROTEIN AND TRANSLATION PRODUCES RNA. TRUE or FALSE FALSE
THE TERM ANABOLIC METABOLISM REFERS TO a. biochemical reactions that break down compounds b. all processes required to maintain life c. biochemical reactions that release energy from nutrients d. biochemical reactions that synthesize compounds biochemical reactions that synthesize compounds
A PEPTIDE BOND FORMS BETWEEN a. a tRNA and an mRNA b. an mRNA and an rRNA c. adjacent amino acids d. a gene and a protein adjacent amino acids
Created by: C to the C
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