Bio 112 Exam 1 Questions and Answers Already Passed
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Bio 112 Exm 1
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Bio 112 Exm 1
Bio 112 Exam 1 Questions and Answers
Already Passed
What is the role of transcription factors in gene regulation?
Transcription factors are proteins that bind to specific DNA sequences to promote or inhibit
the transcription of genes.
How do lipids contribute to the structure of cell mem...
Bio 112 Exam 1 Questions and Answers
Already Passed
What is the role of transcription factors in gene regulation?
✔✔Transcription factors are proteins that bind to specific DNA sequences to promote or inhibit
the transcription of genes.
How do lipids contribute to the structure of cell membranes?
✔✔Lipids, particularly phospholipids, form a bilayer in cell membranes that provides barriers
for cell compartmentalization and regulates permeability.
What is the significance of the pH scale in biological systems?
✔✔The pH scale measures acidity or alkalinity, which can affect enzyme activity, cellular
processes, and overall biological function.
How does feedback inhibition regulate metabolic pathways?
✔✔Feedback inhibition occurs when the end product of a metabolic pathway inhibits an enzyme
involved in its production, helping to maintain homeostasis.
1
, What is the difference between a hypothesis and a theory in scientific research?
✔✔A hypothesis is a testable prediction, while a theory is a well-substantiated explanation based
on a body of evidence that has stood up to repeated testing.
What is the process of transcription in protein synthesis?
✔✔Transcription is the process by which RNA is synthesized from a DNA template, creating
messenger RNA (mRNA) that carries genetic information to ribosomes.
How do ionic bonds differ from covalent bonds?
✔✔Ionic bonds are formed through the transfer of electrons between atoms, while covalent
bonds involve the sharing of electrons.
What is the role of the Golgi apparatus in the cell?
✔✔The Golgi apparatus modifies, sorts, and packages proteins and lipids for secretion or
delivery to other organelles.
How does the structure of DNA contribute to its function?
✔✔DNA's double helix structure allows it to be compact, stable, and capable of replication and
encoding genetic information effectively.
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