g notes lecture 2

Question 1

Which of the following is the largest organelle in a cell?
a) Mitochondria
b) Nucleus
c) Golgi apparatus
d) Endoplasmic reticulum

Answer 1

b. nucleus

Question 2

What is the process by which DNA replicates itself?
a) Transcription
b) Translation
c) Replication
d) Mutation

Answer 2

c. replication

Question 3

Which of the following is involved in the formation of sex cells?
a) Mitosis
b) Osmosis
c) Meiosis
d) Diffusion

Answer 3

c. meiosis

Question 4

Which of the following is a characteristic of passive transport?
a) Requires cellular energy.
b) Movement of substances against the concentration gradient
c) Examples include endocytosis and exocytosis.
d) Depends on factors like molecular size and solubility.

Answer 4

d) Depends on factors like molecular size and solubility.

Question 5

What occurs when a cell is placed in a hypertonic solution?
a) Cell swelling
b) Cell shrinkage
c) No change in cell volume
d) Cell bursts

Answer 5

b) Cell shrinkage

Question 6

Which of the following factors influences cell aging?
a) Free radical injury
b) Enzyme injury
c) Gene alteration or mutation
d) All of the above

Answer 6

d) All of the above

Question 7

Which type of tissue is responsible for transmitting signals in the nervous system?
a) Epithelial tissue
b) Connective tissue
c) Muscle tissue
d) Nervous tissue

Answer 7

d) Nervous tissue

Question 8

What is the term for tumors that do not invade neighboring tissue?
a) Benign tumors
b) Malignant tumors
c) Metastatic tumors
d) Invasive tumors

Answer 8

a) Benign tumors

Question 9

Constitutional signs and symptoms of cancer may include:
a) Weight loss
b) Pain
c) Bleeding
d) All of the above

Answer 9

d) All of the above

Question 10

Which of the following is a treatment option for cancer?
a) Surgery
b) Chemotherapy
c) Radiation therapy
d) All of the above

Answer 10

d) All of the above

Question 11

Which of the following organelles are involved in protein synthesis? (Select all that apply.)
a) Endoplasmic reticulum
b) Ribosomes
c) Golgi apparatus
d) Lysosomes
e) Mitochondria
f) Nucleolus
g) Centrioles
h) Vesicles

Answer 11

a) Endoplasmic reticulum
b) Ribosomes
f) Nucleolus

Question 12

Which of the following are risk factors for developing cancer? (Select all that apply.)
a) Heredity
b) Exposure to chemicals
c) Ionizing radiation
d) Physical irritation
e) Diet
f) Viruses
g) Stress
h) Lack of exercise

Answer 12

a) Heredity
b) Exposure to chemicals
c) Ionizing radiation
d) Physical irritation
e) Diet
f) Viruses

Question 13

Which of the following are types of epithelial membranes? (Select all that apply.)
a) Cutaneous membrane
b) Serous membrane
c) Mucous membrane
d) Synovial membrane
e) Peritoneal membrane
f) Pleural membrane
g) Pericardial membrane
h) Amniotic membrane

Answer 13

a) Cutaneous membrane
b) Serous membrane
c) Mucous membrane