STRAIGHTERLINE MICRO 250 ELITE REVIEW
LATEST 2026 WITH ACTUAL QUESTIONS AND
CORRECT VERIFIED ANSWERS ALREADY
GRADED A PLUS 100 PERCENT GUARANTEED
TO PASS CONCEPTS ALL WHAT YOU NEED
LATEST EDITION
◉Genetic material can be excised from one chromosome and directly
integrated into another via
A. conjugation.
B. transformation.
C. transduction.
D. transposons. . Answer: transposons.
◉Which immune cell secretes numerous cytokines that help to
coordinate the response of other immune cells?
,A. B cell
B. TH cell
C. TC cell
D. Platelets . Answer: TH cell
◉Which of the following enzymes are used to amplify DNA during
PCR?
A. restriction endonuclease
B. DNA polymerase
C. reverse transcriptase
D. DNA ligase . Answer: DNA polymerase
◉In the nitrogen cycle, which of the following steps involves removal of
nitrogen from the atmosphere by bacteria? . Answer: nitrogen fixation,
In nitrogen fixation, nitrogen is removed from the atmosphere by
nitrogen-fixing bacteria and converted to ammonia.
,◉If enough h+ ions are added to pure water to raise the H+
concentration of the solution to ten times higher than the original
concentration, what is the resulting OH- concentration of the solution? .
Answer: 10 -8M
◉Fungi are able to reproduce asexually by creating conidiospores and
sporangiospores. Which of the following is an accurate explanation for
why it is advantageous that they are also capable of sexual reproduction?
Select one:
a. Asexually produced offspring are more likely to compete for resources
and will kill off the parental fungi.
b. Fungi normally produce sexually but produce asexually in harsh
conditions such as severe drought.
c. Offspring from two parents may have variations in form and function
that contribute to survival of the species.
d. Sexual reproduction produces more offspring at a faster rate than
spore formation. . Answer: Offspring from two parents may have
variations in form and function that contribute to survival of the species.
◉In a laboratory bacterial cell culture that has been infected by a virus,
plaques are areas in which
Select one:
a. bacterial cells are resistant to the virus and have not been infected.
b. there is no nutrient available for the bacteria to grow.
, c. the virus has spread and left behind the remains of dead cells.
d. the virus has not yet spread to that area of cells. . Answer: the virus
has spread and left behind the remains of dead cells.
◉The sun's energy is delivered as discrete packets that travel as waves
and are called
Select one:
a. ATP.
b. carotenoids.
c. NADP.
d. photons. . Answer: photons.
◉Which of the following is a characteristic of aerobic respiration?
Select one:
a. Oxygen-containing ions act as the final electron acceptors in electron
transport.
b. The process includes glycolysis, the Krebs cycle, and the electron
transport chain.
c. Aerobic respiration produces a total of 2 ATP molecules.
d. Aerobic respiration produces lactic acid. . Answer: The three stages of
aerobic respiration are glycolysis, the Krebs cycle, and the electron
transport chain.
LATEST 2026 WITH ACTUAL QUESTIONS AND
CORRECT VERIFIED ANSWERS ALREADY
GRADED A PLUS 100 PERCENT GUARANTEED
TO PASS CONCEPTS ALL WHAT YOU NEED
LATEST EDITION
◉Genetic material can be excised from one chromosome and directly
integrated into another via
A. conjugation.
B. transformation.
C. transduction.
D. transposons. . Answer: transposons.
◉Which immune cell secretes numerous cytokines that help to
coordinate the response of other immune cells?
,A. B cell
B. TH cell
C. TC cell
D. Platelets . Answer: TH cell
◉Which of the following enzymes are used to amplify DNA during
PCR?
A. restriction endonuclease
B. DNA polymerase
C. reverse transcriptase
D. DNA ligase . Answer: DNA polymerase
◉In the nitrogen cycle, which of the following steps involves removal of
nitrogen from the atmosphere by bacteria? . Answer: nitrogen fixation,
In nitrogen fixation, nitrogen is removed from the atmosphere by
nitrogen-fixing bacteria and converted to ammonia.
,◉If enough h+ ions are added to pure water to raise the H+
concentration of the solution to ten times higher than the original
concentration, what is the resulting OH- concentration of the solution? .
Answer: 10 -8M
◉Fungi are able to reproduce asexually by creating conidiospores and
sporangiospores. Which of the following is an accurate explanation for
why it is advantageous that they are also capable of sexual reproduction?
Select one:
a. Asexually produced offspring are more likely to compete for resources
and will kill off the parental fungi.
b. Fungi normally produce sexually but produce asexually in harsh
conditions such as severe drought.
c. Offspring from two parents may have variations in form and function
that contribute to survival of the species.
d. Sexual reproduction produces more offspring at a faster rate than
spore formation. . Answer: Offspring from two parents may have
variations in form and function that contribute to survival of the species.
◉In a laboratory bacterial cell culture that has been infected by a virus,
plaques are areas in which
Select one:
a. bacterial cells are resistant to the virus and have not been infected.
b. there is no nutrient available for the bacteria to grow.
, c. the virus has spread and left behind the remains of dead cells.
d. the virus has not yet spread to that area of cells. . Answer: the virus
has spread and left behind the remains of dead cells.
◉The sun's energy is delivered as discrete packets that travel as waves
and are called
Select one:
a. ATP.
b. carotenoids.
c. NADP.
d. photons. . Answer: photons.
◉Which of the following is a characteristic of aerobic respiration?
Select one:
a. Oxygen-containing ions act as the final electron acceptors in electron
transport.
b. The process includes glycolysis, the Krebs cycle, and the electron
transport chain.
c. Aerobic respiration produces a total of 2 ATP molecules.
d. Aerobic respiration produces lactic acid. . Answer: The three stages of
aerobic respiration are glycolysis, the Krebs cycle, and the electron
transport chain.
