practice questions exam 1 Flashcards
what enzyme elongates in transcription?
a. ligase
b. rna polymerase II
c. DNA polymerase I
d. DNA polymerase III
RNA polymerase II
what enzyme elongates in DNA replication?
a. dna polymerase III
b. dna polymerase I
c. rna polymerase II
d. ligase
dna polymerase III
what process forms a protein?
a. transcription
b. translation
c. transduction
d. replication
translation
how many carbons are in a ribose?
a. 3
b. 4
c. 5
d. 6
5
where does translation take place?
a. lysosome
b. mitochondria
c. nucleus
d. ribosome
ribosome
which process forms okazaki fragments?
a. replication
b. transduction
c. transcription
d. translation
replication
what is formed by transcription?
a. DNA
b. tRNA
c. mRNA
d. rRNA
mRNA
what kind of bond attaches adenine to thymine in a DNA molecule?
a. hydrogen
b. covalent
c. phosphodiester
d. none, adenine is attached to thymine
hydrogen
where does DNA polymerase III act?
a. leading strand
b. lagging strand
c. both strands
d. neither strand
both strands
what enzymes link okazaki fragments?
a. ligase
b. DNA polymerase III
c. helicase
d. DNA polymerase I
ligase
what kind of bond forms an individual water molecule?
a. covalent
b. phosphdiester
c. ionic
d. hydrogen
covalent
what kind of bond causes multiple water molecules to associate, forming a tetrahedron?
a. hydrogen
b. covalent
c. double
d. phosphodiester
hydrogen
which of the following leads to edema?
a. hypovolemic ECF
b. hypervolemic ICF
c. hypertonic ECF
d. hypertonic ICF
hypertonic ICF
which leads to dehydration?
a. hypervolemic ECF
b. Hypotonic ECF
c. Hypovolemic ICF
d. Hypervolemic ICF
Hypervolemic ICF
A hypervolemic ECF leads to which of the following?
a. edema
b. dehydration
edema
A hypertonic ECF leads to which of the following?
a. edema
b. dehydration
dehydration
Which of the following conditions results in edema?
a. Hypervolemic ICF
b. Hypovolemic ECF
c. Hypotonic ICF
d. Hypotonic ECF
Hypotonic ECF
Which of the following conditions results in dehydration?
a. Hypotonic ECF
b. Hypotonic ICF
c. Hypertonic ICF
d. Hypovolemic ICF
Hypotonic ICF
Hypervolemic ECF results in which of the following?
a. edema
b. dehydration
edema
Hypertonic ECF results in which of the following?
a. edema
b. dehydration
dehydration
what conclusion can be drawn when an equilibrium constant is large?
a. reaction is at equilibrium
b. reaction favors the reactants
c. reaction favors the products
reaction favors the products
what is the fastest human buffering system?
a. chemical
b. respiratory
c. renal
chemical
what is the most permanent human buffering system?
a. chemical
b. renal
c. respiratory
renal
all of the following can bind to hemaglobin except?
a. hydrogen
b. carbon dioxide
c. oxygen
d. all of these can bind to hemaglobin
all of these can bind to hemaglobin
You new patient has a lung condition which makes it difficult for her to expel carbon dioxide. Which of the following conditions are you concerned about her developing?
a. respiratory acidosis
b. respiratory alkalosis
c. metabolic acidosis
d. metabolic alkalosis
respiratory acidosis
Hyperventilation (exhaling excessive carbon dioxide) can result in which of the following conditions?
a. respiratory acidosis
b. respiratory alkalosis
c. metabolic acidosis
d. metabolic alkalosis
respiratory alkalosis
Your new patient is taking a very acidic medication. Which of the following conditions are you concerned about them developing?
a. respiratory acidosis
b. respiratory alkalosis
c. metabolic acidosis
d. metabolic alkalosis
metabolic acidosis
Your new patient is consuming an excessive amount of Tums (bicarbonate). Which of the following conditions are they at risk of developing?
a. respiratory acidosis
b. respiratory alkalosis
c. metabolic acidosis
d. metabolic alkalosis
metabolic alkalosis
what is the respiratory compensation for metabolic acidosis?
a. exhale less carbon dioxide
b. exhale more carbon dioxide
exhale more carbon dioxide
what is the respiratory compensation for metabolic alkalosis?
a. exhale less carbon dioxide
b. exhale more carbon dioxide
exhale less carbon dioxide
