MCAT Biology Questions and Answers |
Latest Update | 2024/2025 | Graded A+
What is the primary function of the rough endoplasmic reticulum in a cell?
The rough endoplasmic reticulum is involved in the synthesis and processing of proteins,
which are then transported to the Golgi apparatus.
...
How does the structure of a phospholipid contribute to the formation of cellular membranes?
✔✔Phospholipids have hydrophilic heads and hydrophobic tails, forming a bilayer that creates
the semi-permeable membrane of cells.
What is the function of the sodium-potassium pump in maintaining cellular function?
3
, ✔✔The sodium-potassium pump maintains the concentration gradients of sodium and potassium
ions across the cell membrane, crucial for cellular function and volume regulation.
Describe the process of translation and its location in the cell.
✔✔Translation is the process where ribosomes synthesize proteins based on the sequence of
mRNA, occurring in the cytoplasm.
What role do peroxisomes play in cellular metabolism?
✔✔Peroxisomes are involved in the breakdown of fatty acids and the detoxification of harmful
substances by producing and degrading hydrogen peroxide.
Explain the function of the pituitary gland in hormone regulation.
✔✔The pituitary gland releases hormones that regulate various bodily functions by signaling
other endocrine glands to produce hormones.
How do cellular signals lead to changes in gene expression?
4
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller SterlingScores. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.96. You're not tied to anything after your purchase.