The enzyme that catalyzes the conversion of pyruvate to lactic acid is: MCQ with Answer and Explanation

Explanation:
The corpus luteum, formed from the ruptured follicle after ovulation, secretes progesterone (and some estrogen) which prepares the endometrium for implantation and maintains early pregnancy until the placenta takes over (around 8-10 weeks). hCG, produced by the placenta, maintains the corpus luteum. Progesterone is crucial for maintaining the uterine lining.

Explanation:
Broilers are chickens bred and raised specifically for meat, reaching market weight in 6-8 weeks. Layers are hens raised for egg production. Broilers require high-protein diet and management to maximize growth. Poultry farming is an important sector for protein supply. Some breeds like Rhode Island Red are dual-purpose. Cobb and Ross are popular broiler strains.

Explanation:
Bones store minerals (1) and contain marrow for hematopoiesis (2). Ligaments connect bone to bone; tendons connect muscle to bone. So 3 is incorrect.