15212767
Questão 1
Questão
1. Which subatomic particle is located in the nucleus of an atom?
Responda
-
a. proton
-
b. electron
-
c. neutron
-
d. a and b
-
e. a and c
Questão 2
Questão
Atoms of the same element with different charges are
Responda
-
a. ions
-
b. nucleons
-
c. isotopes
-
d. acids
Questão 3
Questão
3. Sodium is atomic number 11. If it gives up an electron it will become:
Responda
-
a. an isotope
-
b. an acid
-
c. a cation
-
d. an anion
Questão 4
Questão
Elements are identified by their number of :
Responda
-
a. protons
-
b. electrons
-
c. neutrons
-
d. nucleons
Questão 5
Questão
T or F If two atoms have different atomic numbers, they may be isotopes of each other.
Responda
- True
- False
Questão 6
Questão
Which of these is NOT a main element found in the body?
Responda
-
a. Sodium
-
b. carbon
-
c. oxygen
-
d. nitrogen
Questão 7
Questão
When two atoms of the same element are bonded, it is called a:
Responda
-
d. ion
-
c. molecule
-
b. compound
-
a. miracle
Questão 8
Questão
When two atoms share a pair of electrons equally, it is a ____________ bond:
Responda
-
a. ionic
-
b. non-polar covalent
-
c. polar covalent
-
d. hydrogen
Questão 9
Questão
Which of these does NOT influence the rate of a chemical reaction?
Responda
-
a. temperature
-
b. concentration
-
c. catalysts
-
d. a and b
-
e. a, b, c
Questão 10
Questão
Which type of reaction is the following?
AB >> A + B
Responda
-
a. synthesis
-
b. decomposition
-
c. exchange
-
d. oxidation
Questão 11
Questão
The water molecule is held together by ___________ bonds:
Responda
-
a. ionic
-
b. non-polar covalent
-
c. polar covalent
-
d. hydrogen
Questão 12
Questão
Substances that increase the rate of chemical reactions while remaining unchanged are:
Responda
-
a. catalysts
-
b. enzymes
-
c. anti-oxidants
-
d. a and b
-
e. a,b,c
Questão 13
Questão
13. A compound that can accept a proton (H+) when placed in water is a:
Responda
-
a. acid
-
c. anti-oxidant
-
d. hydration sphere
-
b. base
Questão 14
Questão
A salt can have which of the following?
Responda
-
a. H+
-
b. K+
-
c. OH-
-
d. a and b
-
e. a and c
Questão 15
Questão
5. Which carbohydrate monomer is the most common in living organisms?
Responda
-
a. fructose
-
b. galactose
-
c. Fructose
-
d. Glucose
Questão 16
Questão
16. Which disaccharide is composed of glucose plus galactose?
Responda
-
a. maltose
-
b. lactose
-
c. Sucrose
-
d. ribose
Questão 17
Questão
17. Where might we find glycogen in the human body?
Responda
-
a. muscle
-
b. liver
-
c. fat cells
-
d. a and b
-
e. b and c
Questão 18
Questão
18. Which of these is NOT a function for proteins?
Responda
-
a. adhesion
-
b. cell signalling
-
c. receptors
-
d. energy storage
Questão 19
Questão
T or F The sodium pump moves potassium from a high concentration to a low concentration.
Responda
- True
- False
Questão 20
Questão
20. An unsaturated fat has a ___________ bond between at least two carbons.
Responda
-
a. ionic
-
b. polar covalent
-
c. non-polar covalent
-
d. double covalent
Questão 21
Questão
Triglycerides have three fatty acids attached to a _____________ molecule.
Responda
-
a. carbon
-
b. glycerol
-
c. protein
-
d. glucose
Questão 22
Questão
22. Steroid molecules are all derivatives of :
Responda
-
a. testosterone
-
b. estrogen
-
c. Cortisol
-
d. Cholesterol
Questão 23
Questão
3. Which of these is NOT a function of lipids?
Responda
-
a. energy storage
-
b. enzymes
-
c. membrane component
-
d. vitamins
Questão 24
Questão
Which monomers make up proteins?
Responda
-
a. fatty acids
-
b. nucleic acids
-
c. amino acids
-
d. any acids
Questão 25
Questão
Which of these is NOT a nucleotide?
Responda
-
a. ATP
-
b. GTP
-
c. cAMP
-
d. DNA
Questão 26
Questão
Which of the following is NOT a major component of cell membranes?
Responda
-
a. phospholipids
-
b. amino acids
-
c. proteins
-
d. cholesterol
Questão 27
Questão
Which type of junction allows passage between cells (not from the inside of one cell to the inside of another)?
Responda
-
a. tight junctions
-
b. desmosomes
-
c. gap junctions
-
d. a and b
Questão 28
Questão
Which of these is NOT involved in facilitated diffusion?
Responda
-
a. movement from high concentration to low
-
b. protein helper
-
c. ATP
-
d. all are needed
Questão 29
Questão
Which of these molecules can cross the membrane by simple diffusion?
Responda
-
a. water
-
b. small ions
-
c. glucose
-
d. small proteins
Questão 30
Questão
A cell is placed in a solution. Over time the cell begins to shrink. The solution is:
Responda
-
a. isotonic
-
b. hypertonic
-
c. hypotonic
-
d. isoosmotic
Questão 31
Questão
The sodium–potassium pump (Na-K-ATPase; sodium pump) produces which situation?
Responda
-
a. high sodium inside, high potassium concentration outside cell
-
b. high sodium and potassium inside cell
-
c. high sodium and potassium outside cell
-
d. high potassium inside, high sodium concentration outside cell
Questão 32
Questão
Which type of molecules can diffuse across a lipid bilayer?
Responda
-
a. small, polar
-
b. small ions
-
c. lipids
-
d. all can
Questão 33
Questão
Which organelle is the site of ATP production/energy conversion?
Responda
-
a. Golgi
-
b. mitochondria
-
c. ER
-
d. Centriole
Questão 34
Questão
. Which organelle is the main site of protein production?
a. rough ER b. mitochondria c. ribosome d. Golgi
Responda
-
a. rough ER
-
b. mitochondria
-
c. ribosome
-
d. Golgi
Questão 35
Questão
What protein is needed to be in the membrane for endocytosis to occur?
Responda
-
a. colchicines
-
b. clathrin
-
c. collagen
-
d. microtubules
Questão 36
Questão
Which organelle is involved in modifying and packaging molecules for transport within and to the outside of the cell ?
Responda
-
a. ribosomes
-
b. mitochondria
-
c. golgi
-
d. centriole
Questão 37
Questão
Which cytoskeletal elements are composed of tubulin?
Responda
-
a. microtubules
-
b. microfilaments
-
c. intermediate fibers
-
d. all are
Questão 38
Questão
Which of these is NOT part of the endomembrane system?
Responda
-
a. Golgi
-
b. ER
-
c. Nuclear membrane
-
d. all are part of the system
Questão 39
Questão
Where are ribosomes formed?
Responda
-
a. nucleolus
-
b. centrosome
-
c. golgi
-
d. cilia
Questão 40
Questão
Which of these would NOT be a function for a lysosome?
Responda
-
a. formation of lipids
-
b. destroying bacteria
-
c. breaking down bone
-
d. recycling organelles
Questão 41
Questão
What is produced in the smooth ER
Responda
-
a. ribosome
-
b. proteins
-
c. DNA
-
d. lipids
Questão 42
Questão
A cell replicates its DNA/chromosomes during:
Responda
-
a. G1
-
b. S
-
c. G2
-
d. Mitosis
Questão 43
Questão
T or F The receptors which are linked to “G” proteins both bind to hormones and cause those hormones to enter the cell.
Responda
- True
- False
Questão 44
Questão
. T or F Cell membranes have proteins in them, some of which are enzymes.
Responda
- True
- False
Questão 45
Questão
. What occurs during G1 of the cell cycle?
Responda
-
a. growth for functioning
-
b. DNA replication
-
c. growth for division
-
d. separation of chromosomes
Questão 46
Questão
T or F TSH is released from the hypothalamus and causes the pituitary to produce TRH.
Responda
- True
- False
Questão 47
Questão
What occurs during metaphase?
Responda
-
a. spindles form
-
b. chromosomes line up in a straight line
-
c. chromosomes are pulled apart
-
d. new nuclei form
Questão 48
Questão
48. Which would occur with hyperthyroidism?
Responda
-
Cold intolerance
-
b. weight gain
-
c. sluggishness
-
d. none is correct
Questão 49
Questão
T or F The main hormone produced by the thyroid gland is T3, but the most active hormone is T4.
Responda
- True
- False
Questão 50
Questão
The structural and functional unit of life is:
a. atom b. molecule c. cell d. tissue
Responda
-
a. atom
-
b. molecule
-
c. cell
-
d. tissue
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.