BIOD 171 PORTAGE LEARNING FINAL EXAM 2025/2026 LATEST EXAM QUESTIONS WITH VERIFIED ANSWERS (100% CORRECT) /ALREADY GRADED A+

BIOD 171 PORTAGE LEARNING FINAL EXAM
2025/2026 LATEST EXAM QUESTIONS WITH
VERIFIED ANSWERS (100% CORRECT)
/ALREADY GRADED A+
True/False. A virus is considered a microorganism. - ANSWER-
B B B B B B B B



False, Viruses are not living and as such are not considered microorganisms. Viruses ca
B B B B B B B B B B B B B



n, however, be classified as microbes, a more general term that includes microorganisms and
B B B B B B B B B B B B B B



viruses.



What is the smallest biological unit of life? - ANSWER-
B B B B B B B B B A cell
B




What are the four main types of macromolecules found in cells? - ANSWER-
B B B B B B B B B B B B



Proteins, Lipids, Nucleic Acids, Carbohydrates
B B B B




Proteins are formed from various combinations of - ANSWER-
B B B B B B B B Amino acids B




There are how many known forms of amino acids - ANSWER-
B B B B B B B B B B twenty



How many amino acids are classified as being essential amino acids? - ANSWER-
B B B B B B B B B B B B Nine



Where can the two major types of nucleic acids be found in the cell? - ANSWER-
B B B B B B B B B B B B B B B



DNA, RNA. Found in the nucleus.
B B B B B




What is the role of RNA? - ANSWER-
B B B B B B B



RNA , found in the nucleus is capable of leaving the nucleus. RNA is repsponsible for de
B B B B B B B B B B B B B B B B



ciphering the hereditary information in DNA and uses it to synthesize proteins.
B B B B B B B B B B B




What is the role of DNA? - ANSWER-
B B B B B B B



DNA, found in the nucleus contains vast amount of hereditary inforamtion, responible f
B B B B B B B B B B B B



or inhereitable characteristic os living organisms.
B B B B B

,Complete the following RNA strand, and indicate how many bonds are formed for each compl
B B B B B B B B B B B B B B



ementary pair: B




3' GGUCAUCG 5'5' CC AGC 3' - ANSWER-
B B B B B B B



3' GGUCAUCG 5'5' CCAGUAGC 3'There are 2 bonds formed between A and U, and 3 bo
B B B B B B B B B B B B B B B



nds between G and C.
B B B B




The plasma membrane - ANSWER-
B B B B



Restricts movement of materials in and out of the cell & Prevents essential nutrients fr
B B B B B B B B B B B B B B



om escaping B




How many carbon atoms are present in glucose? - ANSWER-
B B B B B B B B B 6



True of False: The genetic material within a prokaryotic cell is contained within a membrane-
B B B B B B B B B B B B B B



enclosed region. - ANSWER- B B B False

Only eukaryotic cells contain its genetic material within a nucleus.
B B B B B B B B B




True or False: Prokaryotic cells can be subdivided into Bacteria and Archaea. - ANSWER-
B B B B B B B B B B B B B



True



True or False: Archaea is noted for its ability to survive under harsh conditions.
B B B B B B B B B B B B B




Correct! - ANSWER- B B True

Archaea can often be found in harsh conditions such as high salt levels, high acid conditions, hi
B B B B B B B B B B B B B B B B



gh temperatures and even oxygen-poor conditions.
B B B B B




Which of the following microorganisms are considered to be Eukarya? Select all that apply. -
B B B B B B B B B B B B B B



B ANSWER- Animalia, Plantae, Fungi, Protista B B B




Microorganisms classified as Plantae obtain most of their energy by converting [answer1] ene
B B B B B B B B B B B B



rgy into [answer2] energy. - ANSWER-
B B B B B 1. Light (sunlight)
B B




2. chemical (sugars)
B B

, Which of the following are considered Protista? Select all that apply. - ANSWER-
B B B B B B B B B B B B



Algae, Amoeba B




The function of the ribosome is - ANSWER-
B B B B B B B Protein synthesis B




True or False: Protista retain a unicellular classification, as they are unable to form tissue layer
B B B B B B B B B B B B B B B



s. - ANSWER-
B B True



Where are ribosomes located? - ANSWER-
B B B B B



cytoplasm of prokaryotic cells and in the ER of eukaryotic cells.
B B B B B B B B B B




The combination of the cell membrane and the outer membrane is referred to as the -
B B B B B B B B B B B B B B B



B ANSWER- Cell envelope B




The function of the mitochondria is - ANSWER-
B B B B B B B To produce energy (ATP)
B B B




True or False. All multicellular microorganisms classified as Animalia are autotropic. -
B B B B B B B B B B B



B ANSWER- False



True or False: Metabolism is a controlled set of biochemical reactions that occur in living organ
B B B B B B B B B B B B B B B



isms in order to maintain life. - ANSWER-
B B B B B B B True



True or False: Enzymes slow down chemical reactions to conserve energy. - ANSWER-
B B B B B B B B B B B B



False



What is a cofactor? - ANSWER-
B B B B B



A cofactor is a small chemical component that assists an enzyme during the catalysis re
B B B B B B B B B B B B B B



actions. A cofactor is usually metal ions.
B B B B B B