Organisms typically release more CO2 during periods of high activity. Based on your knowledge of the TCA cycle, explain how this occurs
What will be an ideal response?
Answer: If activity is increased, there is an increase in the need for ATP. In order to increase ATP production, there will be an increase in the rate of TCA cycle reactions. This leads to an increase in the amount of NADH and FADH2 produced, which will go through the electron transport system to provide energy for ATP production. Another by-product of the TCA cycle is CO2. Thus, when the rate of the TCA cycle increases, so does the rate of CO2 production.
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Describe the role of the medulla oblongata
A) The medulla oblongata functions in conscious thought, memory storage and processing, and regulating skeletal muscle contractions. B) The medulla oblongata contains centers involved with emotions, autonomic function, and hormone production. C) The medulla oblongata relays sensory information to other parts of the brainstem and to the thalamus. It also contains centers that regulate autonomic functions, such as heart rate and blood pressure. D) The medulla oblongata coordinates and modulates motor commands coming from the cerebral cortex. E) The medulla oblongata processes visual and auditory information and controls reflexes triggered by those stimuli.
The antecubital region is the
A. area in front of the elbow. B. bottom of foot. C. forearm. D. lower back. E. chest area.
Which blood type is considered the universal recipient?
A. Type A B. Type B C. Type AB D. Type O
Lysosomes
1.form by budding from the Golgi complex. 2.contain 30 different oxidative enzymes. 3.are smaller than peroxisomes. 4.are intricately involved in translation. 5.Both 1 and 2 are correct.