Exam (elaborations)
Human Bio 156- Exam 1 Questions with Verified Answers
- Course
- Institution
Human Bio 156- Exam 1 Questions with Verified Answers
[Show more]
Content preview
Human Bio 156- Exam 1 Questions withVerified Answers
Which of the following terms is least like that others?
a. monosaccharide
b. phospholipid
c. fat
d. steroid - Answer -monosaccharide
Facilitated diffusion and active transport both use this type of molecule to move a
substance across the membrane:
a. phospholipids
b. cholesterol
c. proteins
d. carbohydrates - Answer -proteins
Which of the following subatomic particles has the smallest mass?
a. proton
b. electron
c. neutron
d. all of the choices are of equal mass - Answer -electron
The nucleus of an atom is composed of:
a. protons
b. neutrons
c. electrons
d. protons and neutrons
e. all of the choices are correct - Answer -protons and neutrons
The atomic number of an atom always indicates the number of:
a. protons
b. electrons - Answer -protons
Which of the following sub-atomic particles is useful in diagnosing and treating tumors
of the thyroid?
a. protons
b. neutrons
, c. electrons - Answer -neutrons
Isotopes of an element differ from each other in:
a. atomic number
b. number of neutrons - Answer -number of neutrons
Which type of bond is formed when two atoms share electrons?
a. ionic bonds
b. covalent bonds
c. hydrogen bonds
d. peptide bonds - Answer -covalent bonds
If the atomic number of an element of 15, then how many electrons are in the outermost
shell of the atom?
a. 2
b. 7
c. 13
d. 5 - Answer -5
The positive ion that results from an ionic bond:
a. gains electrons
b. loses electrons - Answer -loses electrons
In water, hydrogen bonding occurs between the hydrogen atom in one molecule and:
a. an oxygen atom in the same molecule
b. an oxygen atom in a different molecule
c. a hydrogen atom in the same molecule
d. a hydrogen atom in a different molecule - Answer -an oxygen atom in a different
molecule
The higher the pH:
a. the greater the hydrogen ion concentration
b. the more basic/alkaline the solution
c. the lower the pH number
d. all of choices are correct - Answer -the more basic/alkaline the solution
The addition of water that breaks larger molecules into smaller ones requires a process
called:
a. hydrolysis
b. dehydration reaction
c. monomerization
d. condensation - Answer -hydrolysis
Carbohydrates:
a. are formed from amino acids
b. store energy
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 millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81531 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now