There are exactly 24 chromosomes in a girl cell and 24 in a boy cell.
Answer:
Enzymes bind with chemical reactants called substrates. ... In others, two substrates may come together to create one larger molecule. Two reactants might also enter a reaction, both become modified, and leave the reaction as two products. The enzyme's active site binds to the substrate.
Answer:
gymnosperms produce male cones and female cones, and the pollen from a male cone fertilize the egg inside a female cone
Answer:
A covalent bond forms between two Nonmetals!
Explanation:
A covalent bond always forms between the electrons of two Nonmetals.
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Endocytosis and exocytosis are similar in that they are both forms of cell transport. They differ because in endocytosis, a cell transports molecules into a cell (think: endo - in), and in exocytosis, the cell's molecules are transported by being expelled.