What are the three main parts of a human body cell? - plasma membrane, cytoplasm, nucleus
The three main components of the lipid bilayer portion of a plasma membrane are -
phospholipids, cholesterol, and glycolipids
What are the nonpolar parts of phospholipids? - fatty acid tail groups
Which o...
Random test bank questions
What are the three main parts of a human body cell? - ✔✔✔plasma membrane, cytoplasm, nucleus
The three main components of the lipid bilayer portion of a plasma membrane are - ✔✔✔
phospholipids, cholesterol, and glycolipids
What are the nonpolar parts of phospholipids? - ✔✔✔fatty acid tail groups
Which of the following is the transport process by which gases, like O2 and CO2, move through a
membrane? - ✔✔✔simple diffusion
In this type of transport process, a solute (e.g. glucose) binds to a specific carrier protein on one side of
the membrane. This binding induces a conformational change in the carrier protein that results in the
solute moving down its concentration gradient to the other side of the membrane - ✔✔✔facilitated
diffusion
SAYS NOTHING ABOUT ATP
What transport process uses the energy stored in a Na+ or H+ concentration gradient to drive other
substances across the membrane against their own concentration gradients? - ✔✔✔secondary active
transport
what is a pseudopod? - ✔✔✔extensions of the plasma membrane of the phagocyte that eventually
surround the particle forming a phagosome
Most intravenous solutions are _____ with respect to blood cells? - ✔✔✔isotonic
, The difference in concentration of a specific chemical, like Na+, on the inside and outside of a plasma
membrane is referred as a(n) - ✔✔✔concentration gradient
The outermost layer of connective tissue surrounding a skeletal muscle is the - ✔✔✔epimysium
Contraction of myofibrils within a muscle fiber begins when - ✔✔✔Contraction of myofibrils within a
muscle fiber begins when
Which correctly lists the sequence of structures that action potentials must move through to excite
skeletal muscle contraction? - ✔✔✔axon of neuron, sarcolemma, T tubule
Which functions as a motor protein in all three types of muscle tissue? - ✔✔✔myosin
What energizes the myosin head? - ✔✔✔ATP hydrolysis reaction
Which ATP production would be sufficient to run in place for one minute? - ✔✔✔anaerobic cellular
respiration
A brief contraction of all muscle fibers in a motor unit in response to a single action potential moving
down the somatic motor neuron is known as - ✔✔✔twitch contraction
Why would cardiac muscles have longer refractory periods than skeletal muscles? - ✔✔✔to preserve
the normal rhythm of the heart and prevent fatigue
World class shot-putters will have a higher percentage of ______in their arm muscles. - ✔✔✔fast
glycolytic fibers
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 jessyqueen. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.72. You're not tied to anything after your purchase.
