Biology Proctored Exam Penn Foster Questions and Answers Already Passed
7 views 0 purchase
Course
Biology Proctred
Institution
Biology Proctred
Biology Proctored Exam Penn Foster
Questions and Answers Already Passed
What is the primary function of mitochondria in eukaryotic cells?
To produce ATP through cellular respiration
Which molecule carries genetic information from DNA to the ribosome for protein synthesis?
mRNA (messenger...
Biology Proctored Exam Penn Foster
Questions and Answers Already Passed
What is the primary function of mitochondria in eukaryotic cells?
✔✔ To produce ATP through cellular respiration
Which molecule carries genetic information from DNA to the ribosome for protein synthesis?
✔✔ mRNA (messenger RNA)
What is the basic unit of structure and function in all living organisms?
✔✔ The cell
In which phase of mitosis do the chromosomes line up in the center of the cell?
✔✔ Metaphase
What type of bond holds the two strands of a DNA double helix together?
✔✔ Hydrogen bonds
1
,Which organelle is known as the "powerhouse" of the cell?
✔✔ Mitochondrion
What is the process by which plants convert light energy into chemical energy?
✔✔ Photosynthesis
What is the term for the movement of molecules from an area of higher concentration to an area
of lower concentration?
✔✔ Diffusion
Which macromolecule serves as the primary source of energy for cellular processes?
✔✔ Carbohydrates
What is the role of ribosomes in a cell?
✔✔ To synthesize proteins
Which type of cell division results in four genetically different gametes?
✔✔ Meiosis
2
,What is the function of the cell membrane?
✔✔ To regulate the movement of substances into and out of the cell
What is the name of the process that cells use to replicate DNA?
✔✔ DNA replication
Which organ system is responsible for transporting nutrients, gases, and waste products
throughout the body?
✔✔ The circulatory system
What type of organism can make its own food through photosynthesis or chemosynthesis?
✔✔ Autotroph
What is the process by which cells convert glucose into energy in the presence of oxygen?
✔✔ Cellular respiration
What structure within the cell contains the genetic material?
3
, ✔✔ The nucleus
What is the term for a change in the DNA sequence of a gene?
✔✔ Mutation
What is the role of enzymes in biochemical reactions?
✔✔ To act as catalysts and speed up reactions
Which part of the cell cycle is characterized by cell growth and DNA replication?
✔✔ Interphase
What type of bond forms between amino acids during protein synthesis?
✔✔ Peptide bond
What is the primary role of chlorophyll in plants?
✔✔ To capture light energy for photosynthesis
What is the term for the genetic makeup of an organism?
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 BrilliantScores. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
