a human sperm and egg cell are examples of
monoploid cells
diploid cells
triploid cells
haploid cells

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

This is a membrane-bound, disk-shaped compartment inside chloroplasts and cyanobacteria. they are the site of the light-dependent reactions of photosynthesis.