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Biology 104 Final Exam Questions and Answers
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Biology 104 Final Exam Questions and Answers
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Biology 104 Final Exam Questions andAnswers
the principle that alleles of different genes are distributed independently of one another
during meiosis - Answer -independent assortment
-signals follicles in the ovaries to enlarge and produce estrogen - Answer -FSH
-no cell wall
-cell membrane
-multiple chromosomes
-true membrane bound nucleus
-cytoplasm
-plants and animals
-mitosis and fusion of gametes
-ribosomes - Answer -eukaryotic cell
-no cell wall
-cell membrane
-1 chromosome
-no true membrane bound nucleus
-cytoplasm
-bateria
-parital, undirectional transfer of DNA
-ribosomes - Answer -prokaryotic cell
responsible for important energy-conversion reactions in eukaryotes - Answer -
mitochondria
-the process of using DNA to make an mRNA copy of the gene
-occurs in the nucleus
-mRNA polymerase adds bases (A binds with U in this case)
-mRNA enters cytoplasm - Answer -transcription
-the process of using the mRNA copy as a set of instructions to assemble amino acids
into a protein
-mRNA molecue associates with a ribosome
-ribosome moves along the mRNA "reading it" in groups of 3 nucleotides (3 nucleotides
= 1 codon)
-a codon specifies a particular amino acid
, -tRNA carries amino acids to mRNA and ribosome by using its anticodon to find a
matching mRNA codon
-uses mRNA to produce protein
-completed amino acid chain detaches from the ribosome and folds into its 3D shape -
Answer -translation
the RNA copy of an original DNA sequence made during transcription - Answer -mRNA
a type of RNA that transports amino acids to the ribosome during translation - Answer -
tRNA
the part of tRNA molecule that binds to a complementart mRNA codon - Answer -
anticodon
-2 located deep by hip bone/pelvis
-size of almonds
-contains eggs
-makes hormones
-release an egg every month - Answer -ovaries
how egg gets from ovary to uterus - Answer -fallopian tubes
muscle lined with endometrium - Answer -uterus
-first part of reproductive tract
-muscular, elastic
-extends to cervix - Answer -vagina
opening to the uterus - Answer -cervix
-located in scrotum
-outside bc they need to be cooler
-responsible for sperm production and testosterone (around 60 days for sperm) -
Answer -testicles
holds the testes - Answer -scrotum
coiled structures that constitute the bulk of the testes and in which sperm develop -
Answer -seminiferous tubules
a tube that connects the bladder to the genitals and carries urine and sperm out of the
body - Answer -urethra
the fusion of an egg and a sperm - Answer -fertilization
# of sperm per ejaculate - Answer -300 million
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