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37 Cards in this Set
- Front
- Back
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Bacteriophage
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Only DNA and protein
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Clone
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carbon copy of mom and dad
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Nucleotide
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nitrogen-containing base bonded to a sugar and one or more phosphate groups
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Helicase
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breaks hydrogen bonds, starts unwinding of DNA during replication
Catalyze breaking of two hydrogen bonds to unwind two strands |
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DNA ligase
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fills in gaps, seals breaks in a DNA strand
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DNA polymerase
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add nucleotides to a growing DNA strand
add to exposed – OH group at number 3 carbon of the deoxyribose sugar |
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Alkylating Agent
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one environmental agent that induces mutation in DNA
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Chain elongation
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second stage of translation
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exons
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protein0coding parts of a mature mRNA transcript
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genetic code
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sets of 64 codons for mRNA
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Anticodon
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base triplet; pairs with codon
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Introns
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noncoding part of pre-mRNA transcript, removed before translation
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Codon
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base triplet for Amino Acid
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Exocrine gland
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secretion through duct
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Endocrine gland
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ductless secretion
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cartilage
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strong, pliable, like rubber
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Ectoderm
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outermost primary tissue
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smooth muscle
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contract, not striated
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blood
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fluid connective tissue
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adhering junction
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cements cells together
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muscle spindle
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stretch-sensitive receptor
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neurotransmitter
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type of signaling molecule
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limbic system
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roles in emotion, memory
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corpus ccallosum
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connects the hemispheres
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cerebral cortex
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most complex integration
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neural tube
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start of brain, spinal cord
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neuroglia
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neurons' support team
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gray matter
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unmyelinated axons and cell bodies
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blood-brain barrier
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protects brain and spinal cord from some toxins
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rod cell
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detects dim light
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cochlea
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sorts out sound waves
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lens
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focuses rays of light
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hair cell
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sensitive to vibrations
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cone cell
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detects color
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taste bud
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contains chemoreceptors
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vestibular apparatus
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function in balance
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free nerve ending
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helps brain assess heat, pressure, pain
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