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57 Cards in this Set

  • Front
  • Back
2
Which of the following are the smallest cells?
A) human ovum
B) red blood cell
C) white blood cell
D) smooth muscle cell
`
3
Two major parts of a cell are the nucleus and _____.
A) membrane
B) organelle
C) reticulum
D) mitochondrion
`
4
A ribosome is an example of a _____.
A) nuclear membrane
B) organelle
C) inclusion
D) protein
`
5
A cell membrane allows only needed substances to pass and is therefore called _____.
A) permeable
B) passive
C) active
D) selective
`
6
A human cell membrane is comprised of the following except which one?
A) lipids
B) proteins
C) carbohydrates
D) nucleic acids
`
7
The following terms belong together except which one?
A) protein
B) phospholipid
C) hydrophilic ends
D) hydrophobic ends
`
8
The following molecules freely pass through a cell membrane except which one?
A) oxygen
B) carbon dioxide
C) amino acids
D) certain lipids
`
9
Hormones come in contact with the _____ molecules in a membrane.
A) lipid
B) rod-like protein
C) globular protein
D) integral protein
`
9
Hormones come in contact with the _____ molecules in a membrane.
A) lipid
B) rod-like protein
C) globular protein
D) integral protein
`
10
The selective movement of ions through a membrane occurs through areas called _____.
A) pores
B) peripheral protein regions
C) channels
D) receptors
`
11
The _____ proteins in a membrane function as enzymes.
A) peripheral
B) structural
C) integral
D) rod-like
`
12
The cells in heart muscle are often held together by areas called _____.
A) desmosomes
B) tight junctions
C) gap junctions
D) intercellular fluid
`
13
The inside lining of the digestive tract is lined with cells that are held together by _____.
A) gap junctions
B) tight junctions
C) connective tissue
D) desmosomes
`
14
The _____ contains enzymes that are associated with protein synthesis.
A) mitochondrion
B) ribosome
C) lysosome
D) Golgi body
`
15
The _____ functions to package molecules into vesicles that can be transported out of a cell.
A) ribosome
B) nucleus
C) Golgi apparatus
D) centriole apparatus
`
16
A combination of a sugar with a protein is a _____.
A) lipoprotein
B) glycoprotein
C) complex protein
D) nuclear protein
`
17
The _____ functions as a sac-like or tubular network of structures that provides transport.
A) ribosome
B) lysosome
C) endoplasmic reticulum
D) centriole microtubules
`
18
The _____ is the source of most of the cellular energy.
A) ribosome
B) cytosol
C) mitochondrion
D) lysosome
`
19
The cristae are the shelf-like portions of the _____.
A) mitochondria
B) ribosome
C) inclusion bodies
D) centrosome
`
20
The _____ contain enzymes that are used to degrade foreign particles as well as cell structures.
A) centrioles
B) lysosomes
C) peroxisomes
D) mitochondria
`
21
Catalase is an enzyme, which degrades _____.
A) hydrogen peroxide
B) cell membranes
C) bacteria
D) peroxidase
`
22
The _____ is the organelle that plays a complex function in cell reproduction.
A) centriole
B) centrosome
C) chromosome
D) lysosome
`
23
The structures that cause fluids and mucus to move across their surface are the _____.
A) flagella
B) basal bodies
C) cilia
D) microfilaments
`
24
Flagella can occur on the cells of the following except:
A) sperm
B) kidneys
C) intestine
D) testes
`
25
Membranous sacs that contain fluids or particles for transport are called the _____.
A) microtubules
B) microfilaments
C) vesicles
D) inclusion bodies
`
26
The protein actin is found in _____, which results in some type of movement or contraction.
A) Golgi bodies
B) microfilaments
C) microtubules
D) cilia
`
27
The following belong together except which one?
A) microtubule
B) microfilament
C) aid in DNA movement
D) comprise an internal skeleton
`
28
What is the term for chemical particles in a cell which appear lifeless and have no obvious function?
A) inclusion
B) organelle
C) vesicle
D) macromolecule
`
29
The following are inclusions except which one?
A) glycogen
B) melanin
C) lipids
D) vesicles
`
30
The movement of particles from higher to lower concentration is termed _____.
A) active transport
B) dialysis
C) diffusion
D) osmosis
`
31
The following will increase the rate of diffusion except which factor?
A) increased temperature
B) increased concentration
C) increased molecular weight
D) shorter distances
`
32
Movement of particles from higher to lower concentrations through a membrane, such as in dialysis, occurs by _____.
A) diffusion
B) active transport
C) osmosis
D) filtration
`
33
Insulin usually increases the movement of glucose through a cell membrane by a process called _____.
A) facilitation diffusion
B) osmosis
C) active transport
D) pinocytosis
`
34
Membranes that have a higher osmotic pressure on one side, tend to _____.
A) repel water
B) draw water towards that side
C) repel water from that side
D) stop the movement of water
`
35
Hypertonic solutions tend to causes cells to _____.
A) burst
B) increase in diameter
C) shrink
D) intake water
`
36
Normal isotonic sodium chloride solution is _____%.
A) 10
B) 0.9
C) 5
D) 12
`
37
The movement of a salt through a membrane, such as in a kidney, because of pressure differences is _____.
A) filtration
B) dialysis
C) diffusion
D) active transport
`
38
Hydrostatic refers to pressure of _____.
A) salts
B) the membrane
C) solutes
D) the solvent
`
9
Movement of molecules from low to high concentrations is _____.
A) facilitated diffusion
B) active transport
C) passive transport
D) dialysis
`
40
The ability of leukocytes to engulf bacteria is due to the process of _____.
A) phagocytosis
B) pinocytosis
C) endocytosis
D) receptor-mediated endocytosis
`
41
In receptor-mediated endocytosis, an LDL particle of cholesterol is attracted to cells that contain _____.
A) lipoproteins
B) apoprotein-B receptors
C) HDL
D) cholesterol
`
42
During mitosis, the number of chromosomes _____.
A) remains the same
B) is doubled
C) is cut in half
D) changes to 46
`
43
The process, which divides the cytoplasm in half, is specifically termed _____.
A) karyokinesis
B) cytokinesis
C) mitosis
D) meiosis
`
44
The process that results in daughter cells with half of the original chromosome number is _____.
A) mitosis
B) prophase
C) meiosis
D) karyokinesis
`
45
At which stages does the chromosome number double?
A) prophase
B) metaphase
C) interphase
D) telophase
`
46
Chromosomes are aligned along the equatorial line during the _____ stage of division.
A) prophase
B) metaphase
C) anaphase
D) telophase
`
47
The _____ stages occurs when two daughter cells have completely formed.
A) interphase
B) prophase
C) metaphase
D) telophase
`
48
Two chromatids are attached at the _____ region.
A) terminal
B) centromere
C) centrosome
D) centriole
`
49
The centromeres divide during the _____ stage of mitosis.
A) prophase
B) metaphase
C) anaphase
D) telophase
`
50
The process _____ explains how embryonic cells become specialized and diverse.
A) mitosis
B) meiosis
C) interphase
D) differentiation
`
51
The main division process in the early embryo is _____.
A) mitosis
B) meiosis
C) karyokinesis
D) metastasis
`
52
Cancer cells can disseminate to other areas by a process called _____.
A) metaphase
B) anaplasia
C) hyperplasia
D) metastasis
`
53
During hyperplasia, cells are dividing at a rapid rate and may progress towards a _____ state.
A) cancer
B) hypertrophy
C) metaplasia
D) metastasis
`
54
Which channel-blocker medication can be used to treat hypertension or angina pectoris?
A) sodium
B) calcium
C) potassium
D) chloride
`
55
What type of cell is a bacterium?
A) eukaryotic
B) archaeal
C) prokaryotic
D) viroid
`
What is the basic structural unit of the body?

A) tissue


B) organ


C) organelle


D) cell
Feedback: Correct Answer: The cell is the basic unit of life or fundamental functional unit of the body; the properties of an organism are related to the properties of the cells that comprise it.
1
What is the basic structural unit of the body?
A) tissue
B) organ
C) organelle
D) cell
`The cell is the basic unit of life or fundamental functional unit of the body; the properties of an organism are related to the properties of the cells that comprise it.