C1
How do dendrites facilitate neuronal communication?
They allow a neuron to receive multiple inputs from other neurons.
Which part of the neuron receives electrical impulses from other neurons?
Dendrites
Within the nucleolus a cell, how many histones make a single nucleosome?
8
Gaps in the myelin sheath are called _______.
nodes of Ranvier
Which part of the brain controls eating, drinking, body temperature and provides a link between the brain and the endocrine (hormonal) system.
Hypothalamus
How does myelination affect the signal transmission of a neuron?
It speeds the transmission of a signal.
Which part of the neuron insulates the axon to prevent electrical impulses from leaving the neuron?
Mylein
Within the nucleolus, how many nucleic acid base pairs wrap around 1 nucleosome?
146 bp
What is the function of Smooth Endoplasmic Reticulum?
To make lipids, To make steroids, To regulate calcium in the cell
The_________ connects the left and right hemisphere.
Corpus Callosum
Which of the following is a base in DNA?
Adenine (A) Cytosine (C) Guanine (G) thymine (T)
What is the function of Rough Endoplasmic Reticulum?
To make proteins
Within all cells, which organelle produces steroids and hormones?
smooth endoplasmic reticulum
_____is a type of neuron called _________, and____ is called _______________?
multipolar, pseudo-unipolar
Which part of the brain incorporates balance and coordinates movements?
Cerebellum
Which of the following are the parts of neurons?
dendrite, axon, soma, and terminal button
What is the function of Microglia?
To clean debris and toxins found in the extracellular space
T or F
Neurons are able to undertake the process of mitosis.
False
In which part of the neuron are re-uptake channels pumps found?
Terminal Buttons
_______ lobes control vision whereas the ______ lobes control audition or hearing.
Occipital; temporal
What is the function of Oligondrocytes?
To make the myelin for the axon of neurons
What is the function of Astrocytes?
To provide nutrition from nearby blood capillaries
Who was the first person to use the silver nitrate stain and to visualized neurons in their entirety?
Santiago Ramon y Cajal
Which of the following forms the strongest DNA bond?
Cytosine (C) to Guanine (G)
Which lobe is connected with cognition, movement, and emotional control?
Frontal