Show:
Questions
Responses
Print
DNA
Genetics
Physical & Chemical Changes
Other Chemistry
Misc.
100
The name of the first step of meiosis 1 is ____
What is Prophase 1?
100
Mendel predicted the passing of __ from parent to offspring.
What is characteristics?
100
A __ change ends with the same substance.
What is physical?
100
The chemical formula for carbon dioxide is ____
What is CO2
100
Acids are __ 7 on the pH scale and bases are __ 7 on the scale.
What is below, above?
200
During ____ the chromosomes thicken / condense.
What is prophase 1?
200
Order the stages of meiosis 1.
What is prophase 1, metaphase 1, anaphase 1, telophase 1?
200
Temperature ___ changes matter. (changes of state)
What is physically?
200
Order the following from most to least acidic: ammonia, normal rain, lemon juice, battery acid
What is battery acid, lemon juice, normal rain, ammonia
200
Which has more mass a gallon of feathers or a gallon of rocks?
What is a gallon of rocks?
300
The 3rd step in Meiosis 1 is ____
What is metaphase 1?
300
2n --> n represents the number of chromosomes in each cell before and after: mitosis or meiosis?
What is meiosis?
300
All of the following are chemical changes except: burning, oxidation, rusting, state change, digestion, boiling, tarnishing, ripping, breaking
What is state change, boiling, ripping, breaking?
300
The properties of a compound is ____ from the properties of the elements that formed it.
What is different?
300
When a species is removed from an ecosystem other species __ affected.
What is are?
400
During step 3 of Meiosis 1 the chromosomes ___.
What is line up in the middle of the cell?
400
The complimentary strand for this DNA sequence would be? AAC TGA
What is TTG ACT?
400
When liquid water turns to water vapor, the volume increases, but the mass remains constant because __
What is there is still the same number of molecules?
400
Elements must ___ combine when forming a compound.
What is chemically combine?
400
Breaking water into hydrogen gas (H) and oxygen gas (O) is an example of a ____ change.
What is chemical change?
500
During Mitosis and Meiosis, the ____ move to the sides of the cell and produce spindle fibers.
What are centrioles?
500
If 2 species rely solely on each other to reproduce, and one species dies off what happens to the other?
What is the other would die off?
500
After a neutralization reaction, if evaporation takes place then you would have only ___ left in the beaker.
What is salt?
500
Which statement is NOT true? 1. Warm air is less dense than cold air. 2. Hot water is more dense than cold water.
What is 2?
500
If a body cell contains 22 chromosomes, how many chromosomes would the gamete of the same organism contain?
What is 11?