What happens during muscle contraction to the length of each myosin and action filament?

✅ B. Ventricular systole

Option A: Atrial systole Option B: Ventricular systole Option C: Atrial diastole Option D: Ventricular diastole Correct Answer : Ventricular systole Read more

✅ B. Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment

Option A: There is a definite control system that regulates the homeostatic activities Option B: Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment Option C: Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment Option D: All are correct Correct Answer : Homeostatic… Read more

✅ D. Aschelminthes

Option A: Deuterosomes Option B: Proterosomes Option C: Hemichordates Option D: Aschelminthes Correct Answer : Aschelminthes Read more

✅ A. Protein

Option A: Protein Option B: Carbohydrate Option C: Lipid Option D: DNA Correct Answer : Protein Read more

✅ A. nucleus

Option A: nucleus Option B: chloroplast Option C: mitochondria Option D: none of these Correct Answer : nucleus Read more

✅ A. 90%

Option A: 90% Option B: 91% Option C: 93% Option D: 95% Correct Answer : 90% Read more

✅ B. Starch

Option A: Glucose Option B: Starch Option C: Sucrose Option D: Glycogen Correct Answer : Starch Read more

✅ D. All of these

Option A: Klinefelters syndrome Option B: Turners syndrome Option C: Downs syndrome Option D: All of these Correct Answer : All of these Read more