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FREE AND STUDY GAMES ABOUT AP CHAP 3 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -45 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: which of the following is nota factor that binds cells together?
Answer:
glycolipids in the glycocalyx Question 2: which of the following does not serve as a signal for cell division?
Answer:
repressor genes Question 3: once solid material is phagocytized and taken into a vacuole which of the following statements best describes what happens?
Answer:
a lysome combines with the vacuole and digest s the enclosed solid material.
Question 4: lysomes___
Answer:
contain acid hydrolasses that are potentially dangerous to the cell
Question 5: which statment is the most correct regarding transcription/translation
Answer:
the nucleotide sequence in a tRNA anticodon is an exact copy of he DNA triplet that ocded for it except that uracil is substituted for thymine.Question 6: which structures are fingerlike projections that greatly increase the absorbing suface of cells?
Answer:
microvilli Question 7: if the nucleotide or base sequence of the dna strand used as a template for messenger RNA sythesis is ACGTT then what would be the sequence of bases in the corresponding mRNA?
Answer:
UGCAA Question 8: cell junctions that promote th coordinated activity of cells by physically binding them together into a cell community include all of the following except____
Answer:
peroxisomes
Question 9: which of the following describes the plasma membrane?
Answer:
the phospholipid bilayer surronding the cell
Question 10: a gene can best be defined as___
Answer:
a segment of dna that carries the instructions for one polypeptide chain Question 11: which transport process is the main mechanism for the movement of most macromolecules by body cells
Answer:
receptor mediated endocytosis
Question 12: which of the following is true regarding the gereration of membrane potential?
Answer:
both potassium and sodium ions can leak through the cell membrane due to diffusion
Question 13: red blood cell placed in pure water would ___
Answer:
swell and burst
Question 14: if a tRNA had a AGC anticodon it could attach to an___mRNA codon
Answer:
UCG
Question 15: the functions of centrioles include____
Answer:
organizing the miotic spindle in cell division
Question 16: DNA replication
Answer:
takes place during interphase of the cell cycle
Question 17: peroxisomes
Answer:
are able to detoxify substances by enzymatic action
Question 18: in certain kinds of muscle cells, calcium ions are stored in ____.
Answer:
the smooth ER
Question 19: which of these is an inclusion not an organelle?
Answer:
melanin
Question 20: crenation is likeely to occur in blood cells in
Answer:
a hypertonic solution
Question 21: which statment best describes transcytosis
Answer:
transporting an endosome from one side of a cell to the other and releasing the contents by exocytosis
Question 22: mitosis
Answer:
produces nucleus repliation
Question 23: in the maintenance of the cell resting membrane potential___>
Answer:
extracellular sodium levels are high
Question 24: which of the following is a function of a plasma membrane protein?
Answer:
molecular transport through the membrane Question 25: caveolae are closely associated with all but which of the following
Answer:
enzymes involved in cell metabolism Question 26: which ofthe following would not be a constituent of a plasma membrane
Answer:
messenger RNA
Question 27: extracellular matrix is
Answer:
the most abundant extracellular material