Answer: Each polypeptide chain such protein is called a subunit. Quatenary structure refers to the spatial arrangement of subunits and the nature of their interactions. The simplest sort of quantum Terry scripture structure is a dimer, consisting of two identical subunits.
D walking for 1 hour incorrect
The common characteristics of fats, steroids, and waxes are
that they cannot dissolve in water. Fats, steroids, and waxes are types of
lipids. Lipids are soluble in solvents. Fats have two types which are saturated
fats and unsaturated fats. An example of steroids is the cholesterol which our
body needs in order to survive but too much of cholesterol can lead to strokes
and blood clots.
The correct answer is A. straight leg hamstring stretch and calf stretch
In a marathon (long run) the muscles you use the most are your leg muscles, which include your calves, quadriceps and hamstrings. Therefore, it is best to stretch and warm up these muscles prior to a marathon run. Option B, C and D, would not be as useful for a marathon run since they involve stretching your arms, shoulders, neck and saddle muscles rather than your leg muscles. I have attached photos of what a straight leg hamstring stretch and calf stretch look like for your reference.
Answer: You can lift A dumbell one time.
Explanation: Doing this for one or 2 reps can demonstrate musular strength. any more than that is usually endurance. You can do deadlift or any heavy wights to show muscular strength