100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MCAT Biology 1.3 Questions and Answers | Latest Update | 2024/2025 | 100% Verified $10.28   Add to cart

Exam (elaborations)

MCAT Biology 1.3 Questions and Answers | Latest Update | 2024/2025 | 100% Verified

 7 views  0 purchase
  • Course
  • MCAT Biology 1.3
  • Institution
  • MCAT Biology 1.3

MCAT Biology 1.3 Questions and Answers | Latest Update | 2024/2025 | 100% Verified What is the primary function of the rough endoplasmic reticulum? The rough endoplasmic reticulum is involved in the synthesis and modification of proteins, as it is studded with ribosomes that translate mR...

[Show more]

Preview 2 out of 8  pages

  • August 21, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MCAT Biology 1.3
  • MCAT Biology 1.3
avatar-seller
SterlingScores
MCAT Biology 1.3 Questions and
Answers | Latest Update | 2024/2025 |
100% Verified

What is the primary function of the rough endoplasmic reticulum?




✔✔The rough endoplasmic reticulum is involved in the synthesis and modification of proteins,

as it is studded with ribosomes that translate mRNA into polypeptides.




How do phagocytes contribute to the immune response?




✔✔Phagocytes, such as macrophages and neutrophils, engulf and digest pathogens and debris,

helping to eliminate infections and support immune defense.




What role do G-protein coupled receptors (GPCRs) play in cellular signaling?




✔✔GPCRs are cell surface receptors that, upon binding to ligands, activate intracellular

signaling pathways through the activation of G-proteins.




1

, Describe the function of the peroxisomes in a cell.




✔✔Peroxisomes are organelles that break down fatty acids and detoxify harmful substances by

producing and decomposing hydrogen peroxide.




How does the sodium-calcium exchanger (NCX) contribute to cardiac muscle function?




✔✔The sodium-calcium exchanger helps regulate intracellular calcium levels in cardiac muscle

cells by exchanging intracellular calcium for extracellular sodium, influencing heart contraction.




What is the function of the primary cilium in cell signaling?




✔✔The primary cilium acts as a sensory organelle that detects and responds to environmental

signals, playing a role in various cellular processes including signaling and development.




How does DNA methylation affect gene expression?




✔✔DNA methylation typically represses gene expression by adding methyl groups to cytosine

residues in DNA, which can prevent transcription factors from accessing the gene.

2

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 $10.28. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

73314 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$10.28
  • (0)
  Add to cart