100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Biology Proctored Exam Penn Foster Questions with 100% Correct Answers $7.99   Add to cart

Exam (elaborations)

Biology Proctored Exam Penn Foster Questions with 100% Correct Answers

 9 views  0 purchase

Biology Proctored Exam Penn Foster Questions with 100% Correct Answers Characteristics of living things - 1. levels of organization 2. ability to acquire food for energy 3. maintain an internal environment 4. respond to stimuli 5. reproduce and develop 6. ability to adapt and evolve 7. cont...

[Show more]

Preview 4 out of 48  pages

  • September 26, 2024
  • 48
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
All documents for this subject (102)
avatar-seller
JOSHCLAY
Biology Proctored Exam Penn Foster

Questions with 100% Correct Answers


Characteristics of living things - ✔✔1. levels of organization

2. ability to acquire food for energy

3. maintain an internal environment

4. respond to stimuli

5. reproduce and develop

6. ability to adapt and evolve

7. contain cells

Levels of Biological Organization - ✔✔atom, molecule, cell, tissue, organ,

organ system, organism, species, population, community, ecosystem,

biosphere

How are organisms classified? - ✔✔on the basis of their

evolutionary/genetic relatedness

What is the scientific method? What is it's importance in biological

sciences? - ✔✔Process used to validate observations while minimizing

observer bias

,It's goal is for research to be conduced in a fair, unbiased and repeatable

manner. The best way to discover how and why the world works

What is matter? - ✔✔Anything that has mass and takes up space

What is an atom? - ✔✔smallest unit of matter that retains all the chemical

properties of an element. They combine to form molecules which then form

into a solid, gas or liquid

What is the structure of an atom? - ✔✔Nucleus in the center that contains

protons (positively charged) and neutrons (no charge). The outermost

region is called an electron shell that contain the electrons (negatively

charged)

What is an ionic bond? - ✔✔A chemical bond that's formed when an atom

transfers and electron to another Atom

What is a covalent bond? - ✔✔Results when 2 atoms share electrons in

order to have a completed outer shell

What is a double covalent bond? - ✔✔Occurs when 2 atoms share 2 pairs

of electroms

In order to be an organic molecule it must contain what? - ✔✔Carbon and

hydrogen

,What are the main groups of organic molecules that build cells and their

parts? - ✔✔Carbohydrates, proteins, lipids, nucleic acid

What are the properties of water? - ✔✔Its attraction to polar molecules.

High-specific heat.

High heat of vaporization.

The lower density of ice.

High polarity.

Carbohydrates - ✔✔Broken down to glucose to provide energy.

What are the different kinds of carbs? - ✔✔Glucose= monosaccharide that

serves as blood sugar

Sucrose= disaccharide which is table sugar

Polysaccharides= include starch, which stores energy in plants

Glycogen= stores energy in animals

Cellulose= makes up the structure of plant cell walls

Protein - ✔✔macromolecule that contains carbon, hydrogen, oxygen, and

nitrogen; needed by the body for growth and repair

Lipid - ✔✔Energy-rich organic compounds, such as fats, oils, and waxes,

that are made of carbon, hydrogen, and oxygen.

Serve as a long term energy source

, Nucleic acid - ✔✔macromolecule containing hydrogen, oxygen, nitrogen,

carbon, and phosphorus

Form DNA which acts to store genetic information

What is the cell theory? - ✔✔All living organisms are made up of cells

The cell is the smallest structural and functional unit of all living organisms

All cells arise from pre-existing cells

Ribosome - ✔✔Makes proteins

Endoplasmic Reticulum - ✔✔A cell structure that forms a maze of

passageways in which proteins and other materials are carried from one

part of the cell to another.

Smooth ER - ✔✔Makes lipids

Rough ER - ✔✔That portion of the endoplasmic reticulum studded with

ribosomes.

Golgi Apparatus - ✔✔Sorts and packs protein into vesicles and transports

them

Lysosome - ✔✔Digests food, bacteria and worn out organelles

Vacuole - ✔✔Stores food, enzymes and other material

Mitochondria - ✔✔Powerhouse of the cell- produces energy for growth,

development and movement

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 JOSHCLAY. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $7.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

72042 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
$7.99
  • (0)
  Add to cart