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Biology 10 > biology semester 1 review > Flashcards

biology semester 1 review Flashcards

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1
Q

The electrons in the outer energy level of an atom

A

Valence electrons

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2
Q

The bond formed when atoms share electrons

A

Covalent bond

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3
Q

Compounds that are ORGANIC contain this element

A

Carbon atoms

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4
Q

The substances that enter INTO a chemical reaction– written on the left side of a chem. equation

A

Reactants

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5
Q

The substances that come OUT of a chemical reaction– written on the right side of an equation

A

Products

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6
Q

A cell such as bacteria, that lacks a nucleus and membrane bound organelles

A

Prokaryotes

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7
Q

A cell like a plant, animal, protist, or fungi that contains a nucleus and organelles

A

Eukaryotes

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8
Q

The smallest level of organization in living things. The basic unit of all living things

A

Cell

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9
Q

Describes an organism with two different alleles

A

Heterozygous

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10
Q

Adenosine triphosphate, the energy form of the cell

A

ATP

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11
Q

Light absorbing molecules– like chlorophyll

A

Pigment

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12
Q

Monomers of proteins

A

Amino acids

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13
Q

Monomer of nucleic acids

A

Nucleotides

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14
Q

Stack of thylakoid

A

Grana

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15
Q

The splitting of a glucose molecule

A

Glycolysis

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16
Q

Situation in which one allele for a gene is not completely dominant over another allele for that gene

A

Incomplete dominance

17
Q

The different forms of a gene

A

Alleles

18
Q

Letter used to represent the haploid number of chromosomes

A

“N”

19
Q

Containing two complete sets of chromosomes– one from each parents

A

Diploid

20
Q

Gametes are produced by this process

A

Meiosis

21
Q

The organelle where photosynthesis occurs

A

Chloroplast

22
Q

The organelle where cellular respiration occurs

A

Mitochondria

23
Q

Movement of material from an area of high concentration to low concentration

A

Diffusion

24
Q

Transport that doesn’t require an input of energy

A

Passive transport

25
Q

Diffusion of water

A

Osmosis

26
Q

Movement of material against a concentration gradient (area of low concentration to an area of high)

A

Active transport

27
Q

Organism that makes its own food

A

Autotroph

28
Q

Organism that must obtain its energy from external sources

A

Heterotroph

Biology 10 (1 decks)

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