Portage BIOD 101 Final Exam 2026 |
Verified Practice Questions & Answers |
Introductory Biology Real Exam Prep
What is matter? -- Verified--Solution----Anything that takes up space,by
having a volume, and has mass
Match the following protein structures with the correct description:
Primary:
Secondary:
Tertiary:
Quarternary: -- Verified--Solution----Primary: order in which amino
acids are arranged in a polypeptide chain
Secondary:includes repeating patterns
Tertiary: 3- dimensional shape
Quarternary: when 2 or more chains react
selective permeability -- Verified--Solution----Ability or certain
substances to move through the cell membrane while others can't
What type of leopard is made up of four fused carbon runs with attached
functional groups that often contain an alcohol? -- Verified--Solution----
Steroids
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What type of ion carries a negative charge? -- Verified--Solution----
anion
Which organelle of the cell contains the genomic content of the cell and
serves as a control center of the cell? -- Verified--Solution----Nucleus
True or false. Passive transport is vital for moving essential nutrients
into the cell. Should passive transport stop the cell would cease to
function. -- Verified--Solution----False. active transport is vital for
moving essential nutrients into the cell.
What are the four bio macro molecules? -- Verified--Solution----
Carbohydrates, lipids, proteins, and nucleic acids
What type of cell junctions are mechanical structures that wrap around
the cell to prevent extra cellular fluid from leaking? -- Verified--
Solution----Tight junctions
What chemical molecules carry genetic information within the cell? --
Verified--Solution----nucleic acids
Which of the following statements is true concerning eukaryotic cells? --
Verified--Solution----Eukaryotic cells possess a nuclear membrane.
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True or false trace elements are required only in small quantities? --
Verified--Solution----True.
As part of the cytoskeleton, what role do microtubules serve? --
Verified--Solution----Microtubules influence cell shape, form spindles
for chromosome separation and serve as roads for organelles to travel
What are the two main components of phospholipids? -- Verified--
Solution----(1) a polar head group joined to (2) a non-polar tail group
Specific ions bind to __________, and when a certain concentration has
successfully attached, the confirmation of the channel changes, allowing
for ions on the outside to passively diffuse into the cell. -- Verified--
Solution----Carrier proteins
What occurs in a dehydration reaction? -- Verified--Solution----A water
molecule is lost from the reactant side
What type of passive transport relies on the tendency of salutes to move
from an area of high concentration to an area of lower concentration --
Verified--Solution----Simple diffusion
What are three characteristics of prokaryotic cells? -- Verified--Solution-
---Size, non-enclosed genetic material, and lack of organelles