A. True B. False 3. Which of the following coenzymes are involved in carrying reducing equivalents from intermediary metabolism to the electron transport chain for oxidative phosphorylation? A. Nicotiamide adenine dinucleotide B. Flavin adenine dinucleotide C. Thiamin pyrophospate D. All of the above E. A and B 4.
The variable that affects osmotic pressure is You correctly answered: a. the concentration of nondiffusing solutes. 4. The net movement of water would be into the cell in a You correctly answered: b. hypotonic solution. page 1 Experiment Results Predict Question: Predict Question 1: What effect do you think increasing the Na+ Cl- concentration will have? Your answer : a. increased osmotic pressure Predict Question 2: What do you think will be the pressure result of the current experimental conditions?
This depolarizes that axon section, causing another axon gate to open, and then another, like a line of dominos. During the resting pause, the neuron pumps the positively charged sodium ions back outside. Then it can fire again. These transmissions occur electrically and chemically. Electrically, the neuron is directly neighboring to other neurons.
Chapter 4 Practice Questions 1) Which of the following is NOT a distinguishing characteristic of prokaryotic cells? A) Their DNA is not enclosed within a membrane. B) They lack membrane-enclosed organelles. C) They have cell walls containing peptidoglycan. D) Their DNA is not associated with histones.
Cholinergic transmission can be defined as the physiological process that operates the neurotransmitter acetylcholine (ACh) to communicate between cells (Wess, 1993). ACh is used in all movement of the muscles, and the neurotransmission of ACh occurs in the peripheral (PNS) and central nervous systems (CNS). ACh has broadly shown a
Stimuli’s are what transfers to the brain. The brain is dependent on neurotransmitters to send signals for one part of the brain to another part. The neurotransmitters are let go or released by nerve cells, which is what helps in carrying out cognitive functioning. When brain cells are damaged
The small inward sodium leak and outward leak of potassium leak are offset by the sodium potassium pumps._ ___ 5. Discuss how a change in Na+ or K+ conductance would affect the resting membrane potential. ___ _The resting period potential is a potential difference between the inside of the cell and the outside of the cell across the membrane. It depends on the resting permeability of the membrane to ions and on the intracellular and extracellular concentrations of those ions to which the membrane is permeable.__ Activity 2 Receptor Potential 1. Sensory neurons have a resting
The brain stem (midbrain pons and medulla oblongata) Controls involuntary reflex actions The cerebellum Maintains posture and co-ordinates movement. It received messages from the cerebrum and muscles and joints The diencephalon (includes the thalamus and hypothalamus Controls homeostatic mechanisms and the autonomic nervous system The cerebrum The largest part of the brain, divided into three areas that control movement, interpret sensory impulses and control of thought, memory, emotions and personality traits Nerves Nerves are compiled of neurons or nerve cells. These cells can vary in structure this depends on two different things: 1. Where they are 2. What they do But all cells have cell body’s containing the nucleus.
Two Main Cells Nervous System Health And Social Care The two main types of cells in the nervous system are neurons and neuroglia. Neurons are also called functional units. They are the actual nerve cells that transmit impulses of the nervous system. Each neuron consists of three basic parts: a cell body, axon, and one or more dendrites. The cell body, also called the soma, contains the nucleus, cytoplasm, and other organelles.