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22 Cards in this Set

  • Front
  • Back

Bacteria

Prokaryotic, absence of organelles

ionic bonds

involve the electrical attraction between charged atoms

covalent bonds

involve the sharing of electrons between atoms

96% of all living matter is made up of what?

carbon, hydrogen, nitrogen and oxygen

cholesterol

Does NOT contain amino acids

Enzymes

speeds up chemical reactions by decreasing the activation energy

Where do light reactions take place?

Thylakoid membrane

isotope

atom that has more neutrons than protons

element

cannot be chemically broken down

cytosine

DNA & Rna

G1

Where the cell spends the most time

Stages of cell cycle

G1 S G2 mitosis cytokensis

Fungi

Chitin

community

all species in one area

angiosperm

flowering plant

smooth ER

primarily involved in the synthesis of

calvin cycle

takes carbon and turns into organic molecules; occurs in storm

mitochondria

common to plant and animal cells

metaphase

slinging of chromosomes in the middle

Meiosis

contains two rounds of division and ends with four gametes that are not the same genetically

How many chromosomes does a female have in each skin cell

46; 23 in each egg

gene flow

the transfer of alleles or genes from one population to another