Answer:
An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.
Explanation:
If realigns the domains of weaker magnet
1.) similar fossils were found on different continents.
2.)the continents seemed to fit together; they were like a spread apart puzzle.
3.)geographical features and mountain ranges lined up with the same rock composition
4.)glacier grooves in rocks led him to trace them out to where they started
:)
An organism has 28 pairs of chromosomes in its diploid somatic cells. How many chromosomes are in its gametes?
diploid = 2n, haploid = n
2n = 28 pairs = 28×2 = 56, n = 28
gametes are haploid = n = 28 total chromosomes
Answer:
sinoatrial node and atrioventricular node
