PORTAGE BIOD 101 FINAL EXAM QUESTIONS AND 100% CORRECT ANSWERS|2025/2026

PORTAGE BIOD 101 FINAL EXAM QUESTIONS
AND 100% CORRECT ANSWERS|2025/2026
What is matter? - ANSWER-
B B B B



Anything that takes up space,by having a volume, and has mass
B B B B B B B B B B




Match the following protein structures with the correct description:
B B B B B B B B




Primary:

Secondary:

Tertiary:

Quarternary: - ANSWER- B B



Primary: order in which amino acids are arranged in a polypeptide chain
B B B B B B B B B B B




Secondary:includes repeating patterns B B




Tertiary: 3- dimensional shape
B B B




Quarternary: when 2 or more chains react B B B B B B




selective permeability - ANSWER-
B B B



Ability or certain substances to move through the cell membrane while others can't
B B B B B B B B B B B B




What type of leopard is made up of four fused carbon runs with attached functional groups th
B B B B B B B B B B B B B B B B



at often contain an alcohol? - ANSWER-
B B B B B B Steroids



What type of ion carries a negative charge? - ANSWER-
B B B B B B B B B anion



Which organelle of the cell contains the genomic content of the cell and serves as a control ce
B B B B B B B B B B B B B B B B B



nter of the cell? - ANSWER-
B B B B B Nucleus



True or false. Passive transport is vital for moving essential nutrients into the cell. Should passi
B B B B B B B B B B B B B B B



ve transport stop the cell would cease to function. - ANSWER-
B B B B B B B B B B



False. active transport is vital for moving essential nutrients into the cell.
B B B B B B B B B B B

, What are the four bio macro molecules? - ANSWER-
B B B B B B B B



Carbohydrates, lipids, proteins, and nucleic acids B B B B B




What type of cell junctions are mechanical structures that wrap around the cell to prevent ext
B B B B B B B B B B B B B B B



ra cellular fluid from leaking? - ANSWER-
B B B B B B Tight junctions B




What chemical molecules carry genetic information within the cell? - ANSWER-
B B B B B B B B B B



nucleic acids B




Which of the following statements is true concerning eukaryotic cells? - ANSWER-
B B B B B B B B B B B



Eukaryotic cells possess a nuclear membrane. B B B B B




True or false trace elements are required only in small quantities? - ANSWER-
B B B B B B B B B B B B True.



As part of the cytoskeleton, what role do microtubules serve? - ANSWER-
B B B B B B B B B B B



Microtubules influence cell shape, form spindles for chromosome separation and serve
B B B B B B B B B B



B as roads for organelles to travel
B B B B B




What are the two main components of phospholipids? - ANSWER-
B B B B B B B B B



(1) a polar head group joined to (2) a non-polar tail group
B B B B B B B B B B B




Specific ions bind to __________, and when a certain concentration has successfully attached,
B B B B B B B B B B B B



the confirmation of the channel changes, allowing for ions on the outside to passively diffuse i
B B B B B B B B B B B B B B B B



nto the cell. - ANSWER-
B B B B Carrier proteins B




What occurs in a dehydration reaction? - ANSWER-
B B B B B B B



A water molecule is lost from the reactant side
B B B B B B B B




What type of passive transport relies on the tendency of salutes to move from an area of high
B B B B B B B B B B B B B B B B B B



concentration to an area of lower concentration - ANSWER- B B B B B B B B Simple diffusion B