Variables
What is an independent variable?
The part of the experiment that is changed on purpose. This is what is being tested.
Where is heredity information stored?
Nucleus
Variations in a species are most likely a result of____________________.
mutations and sexual reproduction
Define homozygous
Having two dominant genes or two recessive genes
Which process converts sunlight to glucose?
photosynthesis
What is a dependent variable?
what is being measured
Transport of materials is most closely associated with which cell organelle?
Endoplasmic Reticulum
After mitotic division, how many chromosomes does each new daughter cell have as compared to the mother cell?
the same number
define heterozygous
Having one dominant and one recessive gene for a trait
Which process requires energy- active transport or passive transport?
active transport
What is a controlled variable?
The part(s) of the experiment that remain the same throughout.
What is the function of the vacuole?
to store food and waste products
If an organism reproduces asexually, its offspring will most likely be ____________________-.
genetically identical to the parent
What are genes composed of?
DNA
Which process converts sunlight to glucose?
photosynthesis
Can there be more than one independent variable?
no
What is a function of the mitochondria?
cellular respiration
In asexual reproduction, how many parents are there?
one
What does DNA stand for?
deoxyribonucleic acid
Does diffusion and osmosis require cellular energy to move particles through a cell membrane ?
No
Can there be more than one controlled variable?
Yes
What cell structure is found in a plant cell but not in an animal cell?
cell wall
chloroplast
cytoplasm
A male chimpanzee has 48 chromosomes in each of his body cells. How many chromosomes would be found in each of his sperm cells?
24
How is it possible to show a recessive trait?
You must have two recessive genes for that trait.
Which gas is absorbed by plants during photosynthesis?
CO2