Straighterline Micro 250 Final Prep
2025/2026 Exam Questions and Verified
Answers | Already Graded A+
Which class of eukaryotic microorganisms can be subdivided into groups
such as Mastigophora, Sarcodina, Ciliophora, and Apicomplexa?
A. Helminths
B. Algae
C. Protozoa
D. Fungi - 🧠ANSWER ✔✔Protozoa
,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
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, 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.
2025/2026 Exam Questions and Verified
Answers | Already Graded A+
Which class of eukaryotic microorganisms can be subdivided into groups
such as Mastigophora, Sarcodina, Ciliophora, and Apicomplexa?
A. Helminths
B. Algae
C. Protozoa
D. Fungi - 🧠ANSWER ✔✔Protozoa
,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
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, 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.
