FREE AND STUDY GAMES ABOUT PHYSIO LAB QUIZ 1

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FREE AND STUDY GAMES ABOUT PHYSIO LAB QUIZ 1

EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -34 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Slender extensions of the plasma membrane that increase its surface area

Answer:

Microvilli

Question 2: The mitotic spindle forms

Answer:

Prophase

Question 3: Contractile elements of the cytoskeleton

Answer:

Microfilaments

Question 4: Chromosomal centromeres are attached to the kinetochore fibers

Answer:

Prophase

Question 5: The nuclear envelope fragments

Answer:

Prophase Question 6: External boundary of cell; regulates flow of materials into & out of the cell; site of cell signaling

Answer:

Plasma Membrane Question 7: Membranous system consisting of flattened sacs & vesicles; packages proteins for export

Answer:

Golgi apparatus

Question 8: Centrioles replicate

Answer:

Interphase

Question 9: Used for precise focusing once initial focusing has been done

Answer:

Fine adjustment knob

Question 10: Site of free radical detoxification

Answer:

Peroxisome

Question 11: The nuclear envelope(s) is absent

Answer:

Anaphase & Metaphase

Question 12: Cleavage furrow forms

Answer:

Telophase

Question 13: Chromosomes line up in the center of the cell

Answer:

Metaphase

Question 14: Threadlike structures contain genetic material (DNA)

Answer:

Chromatin or chromatin threads

Question 15: The chromosomes are V-shaped

Answer:

Anaphase

Question 16: Chromatin coils & condenses, forming chromosomes

Answer:

Prophase

Question 17: The nuclear envelope re-forms

Answer:

Telophase Question 18: Attached to membrane systems or scattered in the cytoplasm; synthesize proteins

Answer:

Ribosomes

Question 19: DNA synthesis occurs

Answer:

Interphase

Question 20: Dense, darkly staining nuclear body; packaging site for ribosomes

Answer:

Nucleolus

Question 21: Carries the objective lenses: Carries objective lenses; rotates so that the different objective lenses can be brought into position over the specimen

Answer:

Movable nose piece

Question 22: Secure(s) the slide to the stage

Answer:

Mechanical stage or spring clips Question 23: Contains digestive enzymes of many varieties; "suicide sac" of the cell

Answer:

Lysosome Question 24: Two rod-shaped bodies near the nucleus; direct formation of the mitotic spindle

Answer:

Centrioles

Question 25: Control center of the cell; necessary for cell division

Answer:

Nucleus

Question 26: Order of phases

Answer:

Interphase Prophase Metaphase Anaphase Telophase

Question 27: Chromosomes first appear to be duplex structures

Answer:

Prophase