Exam (elaborations)
BIO 151 Portage Learning -BIO 151 EXAM 1 - Practice Questions With Complete Solutions
- Course
- BIO 151
- Institution
- Portage Learning
BIO 151 Portage Learning -BIO 151 EXAM 1 - Practice Questions With Complete Solutions
[Show more]
Content preview
BIO 151 EXAM 1 - Practice Questions With CompleteSolutions
10) A covalent chemical bond is one in which ________.
A. electrons are removed from one atom and transferred to
another atom so that the two atoms become oppositely charged
B. outer-shell electrons of one atom are transferred to fill the
inner electron shell of another atom
C. outer-shell electrons of two atoms are shared so as to
satisfactorily fill their respective orbitals
D. protons and neutrons are shared by two atoms so as to satisfy
the requirements of both atoms Correct Answer C. outer-shell
electrons of two atoms are shared so as to satisfactorily fill their
respective orbitals
11) What happens to the concentration of protons in black coffee
(pH 5) when you add milk (pH 6.5)?
A. It decreases
B. It increases
C. It stays the same Correct Answer A. It decreases
12) The element present in all organic molecules is ________.
A. carbon
B. hydrogen
C. nitrogen
D. oxygen Correct Answer A. Carbon
32) Refer to the figure. If you examine side A after three days,
you should find ________.
a. a decrease in the concentration of NaCl and glucose and an
increase in the water level
, b. a decrease in the concentration of NaCl, an increase in the
water level, and no change in the concentration of glucose
c. no net change in the system
d. a decrease in the concentration of NaCl and a decrease in the
water level
e. no change in the concentration of NaCl and glucose and an
increase in the water level Correct Answer d. a decrease in the
concentration of NaCl and a decrease in the water level
34) Suppose a cell has the following molecules and structures:
enzymes, DNA, ribosomes, plasma membrane, and
mitochondria. It could be a cell from ________.
A) an animal but not a plant
B) any kind of prokaryotic organism
C) a plant but not an animal
D) nearly any eukaryotic organism Correct Answer D) nearly
any eukaryotic organism
9) Two characteristics of water make it different from most
other compounds: Its solid state is __________ its liquid state,
and it requires ___________ heat to change to its gaseous state.
A. less dense than; large amounts of
B. more dense than; small amounts of
C.less dense than; small amounts of
D. more dense than; large amounts of
E. just as dense as; significant amounts of Correct Answer A.
less dense than; large amounts of
A molecule with the formula C13H26O13 is a
A. carbohydrate.
B. lipid.
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 Classroom. 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)
78075 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now