Genetics
What is a gentoype?
the two letter code for a trait
What is the key sign a chemical change/reaction has occurred?
You end up with a brand new substance/new properties
Which of the following is an element?
water
oxygen
sugar
oxygen
Name 2 characteristics that only apply to plant cells
1) cell wall
2) large vacuole
3) chloroplast
what organelle does photosynthesis occur in
chloroplast
Give an example of a homozygous recessive genotype
rr, tt, pp, etc
bleaching hair- physical or chemical
chemical
What do you call a mixture where the different parts can be seen and often separated by physical means
heterogeneous mixture
the powerhouse of the cell; breaks down ATP
mitochondria
what is the source of energy for photosynthesis
sunlight
If you cross HH with Hh, what percent offspring will be heterozygous?
50%
Crushing a can- physical or chemical
physical
C6H12O6 is the chemical formula for what compound?
sugar
organelle that makes protein
ribosomes
what organelle does cellular respiration occur in
mitochondria
What is a phenotype?
the physical appearance of a trait
separating objects using a magnet- physical or chemical
If a picture shows two triangles touching, would that be an example of a(n):
element, molecule, atom, compound, or mixture
molecule
the brain/control center of the cell
nucleus
what are the reactants in cellular respiration
glucose
oxygen
Give an example of a heterozygous genotype
Tt, Hh, Rr, etc
Describe an oxidation reaction
Reaction with oxygen; rust
Element, compound, or mixture
Which one can only be broken down by a chemical reaction?
compound
In a Eukaryotic cell, where is DNA located
nucleus
What are the reactants in photosynthesis
carbon dioxide
water
sunlight