The disease caused by the bacterium Neisseria meningitidis is: MCQ with Answer and Explanation

Explanation:
During metaphase, the nuclear envelope has completely disappeared, and the chromosomes, attached to spindle fibers at their kinetochores, are moved to the center of the cell. This alignment of chromosomes at the cell equator is called the metaphase plate. This stage is crucial for the equal distribution of genetic material to daughter cells.

Explanation:
The ureters are two muscular tubes that propel urine from the renal pelvis of each kidney to the urinary bladder via peristaltic contractions. Urethra exits bladder, renal pelvis and calyces are within the kidney.

Explanation:
Streptomycin is an antibiotic produced by the bacterium Streptomyces griseus. Penicillin and cephalosporins are from fungi (Penicillium and Cephalosporium). Griseofulvin is a fungal antibiotic. Streptomycin is a broad-spectrum aminoglycoside, effective against gram-negative bacteria and Mycobacterium tuberculosis. It inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit.