Answer:
A. 60 grams protein
B. 74 grams of protein
Explanation:
The amount of protein needed depends on weight and lifestyle. The daily minimum recommended by the National Institutes of Health is 0.36 grams per pound for a sedentary person. But the daily optimal intake for this same sedentary person is 0,8 grams of protein per kg of body weight. On the other hand hand, adults with a more active lifestyle need more protein in their body, the intake should be between 1,2 and 2,0 grams of protein per kg. For example, endurance runners need up to 1,4 and strength training athletes need up to 1.8 g of protein per kg.
The first step for calculating protein requirements is calculate the weight in kilograms, so we need to divide the weight in pounds by 2,2.
154lb/2,2= 70 kilograms
Then we have to multiply the weight in kg, times the number of protein needed per day, 0,8 for a sedentary healthy adult.
70kg x 0,8= 56 grams
Part A:
165-pound (lb) male who is healthy but sedentary
165 lb/2.2 = 75 kg
75 kg x 0,8 = 60 grams protein per day
Part B. Sarah is moderately active so we need to use a number between 1,2 and 2, since shes active but not very active we can use the 1,2.
136-lb/2,2= 62 kg
62 kg x 1,2 = 74 grams of protein
Answer: B voltage-gated potassium channels
Explanation:#
Tetraethylammonium is a pH- potassium channel blocker.
Therefore, it prevents the escape of potassium ions from the axoplasm, which makes it ( axoplam) positive from the rise in potassium ions concentration , since potassium ion is positive charged and intracellular ion . This initiate repolarization which returns to membrane state potential.
Since it is pH -potassium ion blocker; it does not affect the voltage-gated sodium ion channels, so action potential can occur. But after the sodium gated channels were closed,action potential drops but the concentration of potassium rises because :
1. They are naturally intracellular ions
2. They cannot leave the axoplasm because the channels has been shut. Therefore this stabilizes the membrane potential
Answer:
Biogeochemical cycle, any of the natural pathways by which essential elements of living matter are circulated. The term biogeochemical is a contraction that refers to the consideration of the biological, geological, and chemical aspects of each cycle.
"<span>The shape of an enzyme determines which reaction it can catalyze" would be the best option from the list, since most enzymes can only do their job if they "fit" into the structure that they wish to enhance, or "speed up". </span>
Arteriosclerosis: It's when your arteries get hard.
Atherosclerosis: It's the medical term for when your arteries are clogged with cholesterol.
