Quiz 1 and 2 Review

Question 1

Which of the following transport processes always requires metabolic energy?
a) vesicular transport
b) osmosis
c) carrier mediated transport
d) facilitated diffusion
e) diffusion

Answer 1

a) vesicular transport

Question 2

Exocytosis is to ______________, as endocytosis is to ______________

Answer 2

secretion, pinocytosis

Question 3

Which of the following types of membrane proteins function by recognizing and binding to hormones and neurotransmitters?
a) linkers
b) cell identification markers
c) transporters
d) enzymes
e) receptors

Answer 3

e) receptors

Question 4

Is diffusion passive or active transport?

Answer 4

passive transport

Question 5

Is facilitated diffusion passive or active transport?

Answer 5

passive transport

Question 6

Is vesicular transport passive or active transport?

Answer 6

active transport

Question 7

Is phagocytosis passive or active transport?

Answer 7

active transport

Question 8

Is osmosis passive or active transport?

Answer 8

passive transport

Question 9

Is endocytosis passive or active transport?

Answer 9

active transport

Question 10

Which transport process occurs in some WBCs and macrophages?

Answer 10

phagocytosis

Question 11

Functions of the plasma membrane include all of the following EXCEPT:
a) separation of the cytoplasm from the ECF
b) sensitivity to chemical changes in the ECF
c) structural support
d) regulation of exchange of materials with the extracellular environment
e) thermal insulation

Answer 11

e) thermal insulation

Question 12

Which of the following is arranged in the correct order from the most complex to the simplest?
a) molecular, cellular, tissue, organ, system, organism
b) organism, system, organ, tissue, cellular, molecular
c) tissue, cellular, molecular, organ, system, organism
d) cellular, tissue, molecular, system, organ, organism
e) organ, organism, molecular, cellular, tissue, system

Answer 12

b) organism, system, organ, tissue, cellular, molecular

Question 13

Prokaryotes are also made up of cells, a defining feature is prokaryotes ____________________

Answer 13

do not have a nucleus

Question 14

Proteins belong to which level of organization?

Answer 14

molecular

Question 15

This process is often called cellular eating: _______________

Answer 15

phagocytosis

Question 16

Histology is a branch of __________

Answer 16

anatomy

Question 17

Hemolysis may occur when a blood cell is placed into a(n) ______________ solution

Answer 17

hypotonic

Question 18

If the concentration of sodium chloride in the interstitial fluid surrounding cells decreases and the concentration of other solutes remains constant, then _________________________

Answer 18

the cells will swell

Question 19

ECF stands for ________________

Answer 19

extracellular fluid

Question 20

The sum of all chemical reactions within the human body is referred to as _______________

Answer 20

metabolism

Question 21

The hydrophilic part of the plasma membrane is due to _______________

Answer 21

phosphate heads

Question 22

Which of the following are needed to form microvilli?
a) microfilaments
b) transport vesicles
c) cilia
d) microtubules
e) intermediate filaments

Answer 22

a) microfilaments

Question 23

Transport vesicles of packaged and folded proteins would be seen…? (choose best fit)
a) moving away from the mitochondria
b) on the trans face of the golgi
c) entering in sER
d) passing through nuclear pores
e) on the cis face of the golgi

Answer 23

b) on the trans face of the golgi

Question 24

Is cilia made from microtubules, intermediate filaments, or microfilaments?

Answer 24

microtubules

Question 25

Is microvilli made from microtubules, intermediate filaments, or microfilaments?

Answer 25

microfilaments

Question 26

Are centrioles made from microtubules, intermediate filaments, or microfilaments?

Answer 26

microtubules

Question 27

Is flagella made from microtubules, intermediate filaments, or microfilaments?

Answer 27

microtubules

Question 28

What part/filament of the cytoskeleton compartmentalizes the cytoplasm?

Answer 28

intermediate filaments

Question 29

Desmosomes are an example of ________________

Answer 29

adherens junctions

Question 30

An organelle that oxidizes organic molecules so they don't accumulate within a cell?

Answer 30

peroxisomes

Question 31

An epithelial tissue located and designed for absorption would have which of the following modifications? a) stratified cuboidal cells b) flagellum c) secretory merocrine cells d) microvilli e) cilia

Answer 31

d) microvilli

Question 32

What is the function of the SER?

Answer 32

synthesizing lipids

Question 33

What is the function of lysosomes?

Answer 33

intracellular digestion

Question 34

What organelle forms cilia?

Answer 34

cytoskeleton

Question 35

What is the function of the mitochondria?

Answer 35

production of cellular energy

Question 36

Which organelle synthesizes lipids and steroid molecules?

Answer 36

SER

Question 37

Zonulae occludens are a type of cell-cell adhesion also known as __________________

Answer 37

tight junctions

Question 38

What structure is composed of 2 subunits and RNA?

Answer 38

ribosomes

Question 39

Which organelle provides strength within a cell and organizes the cell contents?

Answer 39

intermediate filaments

Question 40

Which of the following organelles is classified as nonmembranous? a) ribosome b) nucleus c) lysosome d) SER e) mitochondria

Answer 40

a) ribosome

Question 41

Briefly describe the difference between a chromosome and chromatin

Answer 41

chromosome= packaged/wrapped up DNA chromatin= partially unwound DNA that is wrapped around histones (helper proteins)

Question 42

The epithelia lining the blood vessels of the human body is ________________

Answer 42

endothelium

Question 43

The protein and RNA of a ribosome is formed in the ____________ of the cell

Answer 43

nucleolus

Question 44

Pseudostratified epithelia are classified based on which of the following characteristics? a) the cells all being in contact with the basal lamina b) cells of varying shapes and widths c) presence of cilia d) the ability to divide and regenerate e) 10+ layers of squamous cells

Answer 44

a) the cells all being in contact with the basal lamina

Question 45

DNA is found within the nucleus and the ________________ of a eukaryotic cells

Answer 45

mitochondria

Question 46

This epithelium allows for distension and stretching

Answer 46

transitional epithelium

Question 47

The thin extracellular matrix (ECM) found in epithelia tissue is called

Answer 47

basal lamina