DNA/Chromosomes Question Preview (ID: 57884)
Dna.
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what does inherited mean?
a) when the environment determines your traits
b) a collection of assets you recieve
c) passed through generations
d) genes and DNA
what are many traits determined by?
a) genes
b) cells
c) your pets
d) nothing
where in the cells are genes located?
a) cytoplasm
b) nucleus
c) mitochondria
d) cell wall
where in the nucleus are genes located?
a) clonosomes
b) protein
c) chromosomes
d) mitochondria
what do genes code for?
a) binary
b) your personality
c) DNA
d) proteins
a gene is a segment of _______?
a) protein
b) DNA
c) cell
d) genes
order from largest to smallest: DNA, gene, chromosome
a) gene, chromosome, DNA
b) chromosome, gene, DNA
c) DNA, gene, chromosome
d) chromosome, DNA, gene
what is a karyotype?
a) a type of gene which codes a protein
b) a picture of DNA
c) a rock band
d) organized display of an organism's chromosomes
the sides of the DNA molecule (the backbone) are made up of sugar molecules alternating with
a) deoxyribose molecules
b) phosphate molecules
c) nitrogen molecules
d) hydrogen molecules
the parts of a chromosome that control inherited traits
a) centromeres
b) chromatids
c) gametes
d) genes
how many homologous pairs of chromosomes can be found in most human cells?
a) 12
b) 23
c) 46
d) 92
what is DNA made up of?
a) deoxyribose, phosphates, nitrogen bases
b) glucose, carbon, nitrogen bases
c) chromosomes, sugar, protein
d) deoxyribose, amino acids, protein
what are the four nitrogen bases? (only their letters)
a) a, b, c, d
b) a, c, f, x
c) a, g, c, t
d) a, u, c, t
one nitrogen base is bonded with another nitrogen base by
a) hydrogen atoms
b) carbon atoms
c) oxygen atoms
d) nitrogen atoms
when bonds happen only between A and T and C and G, we refer to this as the
a) hydrogen bonding rule
b) law of bonding
c) base-pair rule
d) pairing up
the process by which DNA copies itself
a) synthesis
b) replication
c) copying
d) duplicates
the genetic code and traits are determined by the ______ of the nitrogen bases
a) size
b) length
c) order
d) appearance
adenine, guanine, cytosine, and thymine are called _____bases
a) nitrogen
b) hydrogen
c) oxygen
d) carbon
deoxyribose is a type of
a) sugar
b) lipid
c) nucleic acid
d) protein
nitrogen base pairs will only connect to _____on the DNA backbone
a) phosphate
b) sugar (deoxyribose)
c)
d)
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