Vocabulary 8-9
What do you call something that makes its own food?
Autotroph
Which is an autotroph?
A. daisy
B. earthworm
C. mushroom
D. wolf
A. daisy
Which type of mutation causses the DNA replication to stop early?
A. point mutation
B. missense mutation
C. frameshift mutation
D. nonsense mutation
Chloroplast
Which event occurs meiosis 2 but not during meiosis 1?
A. cytokinesis occurs after the final phase
B. haploid number of chromosomes line equator
C. sister chromatids are pulled to opposite poles
D. spindle apparatus forms inside the cell
C. sister chromatids are pulled to opposite poles
Extra chromosome sets are called____.
Polyploidy
The ability to do work is called___.
Energy
Light-absorbing molecules such as chlorophyll are called___
A. grana
B. pigments
C. stomata
D. thylakoids
B. pigments
During the cell cycle a cell grows and ____.
And divides
Which statement defines an organism that is homozygous for a trait?
A. has 2 different alleles for a trait
B. has 2 different genes for a trait
C. has 2 of the same alleles for a trait
D. has 2 of the same genes for a trait
C. has 2 of the same alleles for a trait
Stunts growth to a maximum of 1.2 meters.
Achondroplasia
Light-absorbing molecules such as chlorophyll are called___.
Pigments
What are the chemical reactions in a cell?
A. energy
B. metabolism
C. sunlight
D. thermodynamics
B. metabolism
Why is Down Syndrome called Trisomy 21?
The syndrome results from an extra chromosome 21
White-flowered plants crossed with red-flowered plants produce pink-flowered offspring is an example of ______
A. codominance
B. complete dominance
C. dominance
D. incomplete dominance
D. incomplete dominance
An absence of pigment in the skin, hair, and eyes.
Albinism
What are the chemical reactions in a cell?
Metabolism
What is the purpose of mitosis?
A. create genetic diversity
B. increase cell volume
C. produce daughter cells
D. replace damaged cells
C. produce daughter cells
Which gene in the genotype Dd will be expressed?
Dominant Gene
What is the genotype of a woman with red-green color blindness?
A. Xb Xb
B. XB XB
C. Xb Y
D. XB Y
A. Xb Xb
Which base does guanine always pair with?
A. adenine
C. cytosine
C. thymine
D. uracil
C. cytosine
Unspecialized human cells are called___.
Stem Cells
How can apoptosis be defined?
A. cell death
B. cell growth
C. complete mitosis
D. incomplete mitosis
A. cell death
What is the outcome of Independant Assortment?
Genetic Recombonation
Why does nondisjunction occur?
A. Cytokinesis does not occur properly
B. The nucleoli do not disappear
C. The sister chromatids do not separate
D. The chromosomes do not condense properly
C. The sister chromatids do not separate
What kind of disorder is achondroplasia?
Dominant disorder