science fair

Did you do a project what was the topic ? 

Types

What is the difference between a genotype and a phenotype in an organism ? 

purebred

Why might farmers plant purebred crop seeds?

Alleles

What are the traits in a gene called ? 


hint page 128 

what is larger

          Please put the following in order by size 
 Chromosome 
RNA
 Gene
DNA 

Mitosis or Cell Division

What are four ways an organism can use mitosis ? 

Mutation

What is a mutation? When do they occur?

RNA

What are the bases for RNA ?

DNA 3.19.12

What are the nitrogen based pairs in a DNA molecule ?


Hint Page 113 of life structures and functions 

Bees

What role do bees play in reproduction of some plants? 

Mitosis or Cell Division

How is mitosis different from cell division?

cell division

Do all organisms use cell division ?


hint page 98 life structure and functions 

Cells Cells and More Cells

How does one cell become two ? Does this happen the same way for all types of cells? What do you think ? 

Nervous System Test

What do you now know about the Nervous System that you didn't know? 

reaction and reflexes

Explain the advantages of having reflexes controlled by the spinal cord. 

React

What is reaction time ? 

The Teen Brain

How is the teen brain different than an adult brain? 


Hint you have a teen brain 

Reflexes

Why are reflexes important?


What sorts of things might slow reflexes or reaction time? 


Hint page 125 paragraph 1 HBS 

Nervous System 5

The peripheral nervous system has two major divisions. What are they called and what do they control?

Hint page 123 paragraph 3

Nervous System 4

What are the two major divisions are the nervous system?


hint page 121 paragraph 3 


What is the small space between neurons called ?


hint page 121 paragraph 1 


Do neurons or nerve cells come in different sizes ?