Which of the following structures store calcium ions that trigger skeletal muscle contraction?
A. Mitochondria
B. Synaptic vesicles
C. Myofibrils
D. Sarcoplasmic reticulum
E. T tubules
Answer: D
Anatomy & Physiology
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Anatomy & Physiology
Which of the following enzyme/substrate combinations is matched INCORRECTLY?
A) cellulose — cellulase B) starch — amylase C) peptides — peptidase D) All are matched correctly.
Anatomy & Physiology
The epidermal ridges and dermal ________ increase the area of contact between the epidermis and dermis to help connect these layers.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Microtubules and microfilaments are the primary components of the ________.
A. plasma membrane B. cytoskeleton C. cytosol D. nucleus
Anatomy & Physiology