Exam 1 Questions Flashcards
What is a positively charged subatomic particle
Proton
The double arrows in a chemical equation means
The reaction is reversible
17th century concept that egg and sperm contain miniature versions of adults
Theory of preformation
Polar compounds easily do what in water
Dissolve
The theory of natural selection is credited to
Charles Darwin
Empedocles is credited with what biological theory
Biological alchemy
Acids produce which ions in water
Hydronium
Energy currency of a cell
ATP
The opposite of anabolism
Catabolism
5 kingdoms of life
Fugi
Monera
Plants
Mamalia
Channel proteins
Membrane proteins that form pores through which substances can move down their concentration gradient
Untested statement made in attempt to explain a natural phenomenon
Hypothesis
Krebs cycle
Carbons from pyryvate released as carbon dioxide producing a net of 2 ATP per glucose
Non living component of Eco system
Abiotic component
Centromere
Where 2 sister chromatids of a duplicated chromosome are attached
Interphase
Includes g1, s, g2
Nature of the atmosphere of early earth assumed in the miller experiments
No oxygen
Eukaryotes
Membrane bound organelles
Genetic code of an organism found where
DNA
Organic molecule, typically a protein, that speeds up chemical reactions on the body is an….
Enzyme
Proteins are made up of subunits called
Amino acids
Rare organic molecule
Sodium
Cilia and flagella are composed of
Microtubules
Cells use endocytosis to
Bring fluids and solids into the cell
Cristae
The folds of the inner membrane that compartmentalize the mitochondrion
Non living component of an ecosystem
Abiotic component
Monosaccharide
Simple sugar
Disproved spontaneous generation
Louis Pasteur
Three major phases of aerobic respiration
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Credited with theory of DNA structure
Watson and crick
Proposed spontaneous generation
Aristotle
Four characteristics of life and living systems
-reproduction
- mobility
- digestion/ make own energy
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