In ____________________ active transport, energy is directly required to move a substance against its concentration gradient
Fill in the blank(s) with correct word
primary
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This portion of the blastocyst forms the embryo proper
A) inner cell mass (ICM) B) morula C) zona pellucida D) trophoblast
The outermost layer of the kidney is called the ________
A) Renal pelvis B) Renal medulla C) Renal cortex D) Calyx
Describe the ENS
A) The ENS is a division of the nervous system that includes the brain and spinal cord. B) The ENS is a division of the nervous system that involves sensory input only. C) The ENS is a division of the nervous system that involves the voluntary movements of the skeletal muscle. D) The ENS is a division of the nervous system that uses spinal reflexes to mediate changes in the effectors. E) The ENS is a division of the nervous system consisting of a network of neurons and nerve networks in the walls of the digestive tract that primarily operates locally, without instructions from the CNS.
What feature of your ear accounts for its ability to regain its shape after it has been deformed or compressed?
A. The elastic fibers present in the ear's cartilage B. The elastic fibers present in the ear's muscles C. The ear's built-in memory based upon its overall size and shape D. The abundance of reticular fibers forming a dense meshwork E. The elastic fibers in the ear's skin that contract after being stretched