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BIOD 210 Genetics Final Exam graded Complete Questions and Answers
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BIOD 210 Genetics Final Exam graded Complete Questions and Answers
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By: ProLabs • 6 months ago
By: MEGAMINDS • 7 months ago
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BIO 210: Genetics Final ExamTerms in this set (151)
A nucleotide is made up of phosphate group, pentose sugar (deoxyribose in DNA
what 3 components? and ribose in RNA), and a nitrogenous base
What nitrogenous bases are Adenine and Guanine
purines
What nitrogenous bases are cytosine, thymine, uracil
pyrimidines?
How can you differentiate purines are double-ringed while pyrimidines are single-
between purines and ringed
pyrimidines?
DNA: double stranded, has deoxyribose sugar(hydroxyl
What are the differences group at 2' carbon), bases: A, T, G, C
between DNA and RNA? RNA: single stranded, has ribose sugar(one oxygen is
removed from the 2' Carbon), bases: A, U, G, C
nucleoside: pentose sugar + nitrogenous base
Nucleoside vs Nucleotide nucleotide: pentose sugar + nitrogenous base +
phosphate group
What type of bonds bind Phosphodiester bonds
nucleotide chains?
1.) Must contain important info to encode hereditary
What are the 4 traits
requirements for a molecule 2.) Must be capable of replication
to be genetic material? 3.) Must be capable of variation by mutation
4.) Must be able to express information
Where are chromosomes cell's nucleus
located?
what is a centrosome? location in the cell that contains centrioles
, microtubules that produce mitotic spindle fibers, aids in
What are centrioles?
cell division, and make up the cytoskeleton of the cell
How many centrioles are 2 centrioles/1 centrosome
there for every
centrosome?
How many copies of each 2 copies
type of chromosome does
each eukaryotic cell
typically have?
what are homologous copies of the same type of DNA
chromosomes?
What are non-homologous copies of different chromosomes with different DNA
chromosomes?
What is mitosis? cell division of one cell into 2 exact duplicates
What are the six stages of interphase, prophase, prometaphase, metaphase,
Mitosis in order? anaphase, telophase and cytokinesis
mitosis stage that the cell is primarily in
What happens during chromosomes are uncondensed, so they are just
mitosis interphase? hanging out in the nucleus
1 centrosome < 2 centrioles
Centrosome replication ( 2 centrosomes < 4 centrioles)
What happens during
occurs and chromosome replication occurs (still
interphase s-phase?
uncondensed)
centrioles move to opposite ends of the cell using
spindle fibers
What happens during nuclear membrane breaks down
mitosis prophase?
chromatin (DNA) condenses into chromosomes (the
"x"'s); bound by a kinetochore that attracts mitotic
spindle fibers
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