Why is an egg unicellular? Because all organisms starts as an egg
Because eggs are the building blocks of life.
Because eggs can be seen without a microscope
Because eggs are made of one cell

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water