Help with science multiple choice questions please!! ((10pts))

Question

1) A dominant allele is:

a trait that is hidden by another trait.

a trait that prevents the showing of other traits.

a trait that has been altered by a DNA mutation.

a trait that will not be seen in the next generation of offspring.

2)Segments of DNA that contain information that help make up our inside and outside characteristics are called ___________________.

genes

traits

RNA

phenotypes

3)The genotype is:

a trait that will not be seen in the next generation of offspring.

a trait that is hidden by another trait.

what your chromosomes say your features are.

what the trait looks like.

4)A change in DNA is called a(n) __________.

gamete

meiosis

recessive allele

mutation

5)An area occupied by different groups of interacting organisms is called a/an ____________.

ecosystem

biome

community

habitat

6)Gel electrophoresis (used in DNA fingerprinting) separates DNA fragments by size.

true or false?

7)Freckles are a dominant characteristic. The appearance of freckles is the phenotype. Which of the following represents a heterozygous genotype for freckles?

FF

Ff

ff

8)During Interphase the cell is performing its special job.

true or false?

9)During mitosis the cell is performing its special job.

true or false?

10)What is a function of proteins?

to dissolve other nutrients

to provide energy

to store energy

to control chemical reactions

11)1.0 liters is equal to 100 milileters.

true or false?

12) 1 centimeter is equal to 10 millimeters.

true or false

13)Surtsey, a volcanic island, is a very young ecosystem. Explain how its age limits the biodiversity on the island.

Answer 1

a trait that prevents the showing of other traits.

genes?

what the trait looks like?

mutation

community

6) no clue

Ff

8) no clue

true

to provide energy?

false

true

13)no clue

Answer 2

do ur own homework

Answer 3

the answers are as follows:

1. a trait that prevents showing of other traits

2. i think this one is genes....not really sure though

3. what chromosones say your features are

4. mutation

5. ecosystem

6.True

7. Ff

8. true

9. well am not sure about this one but it divides. so might be false because its not the special job.

10. they help in chemical reactions

11.yes as far as i thnik so

12. true

9.  

Answer 4

Seriously, do your own homework.

Its okay to ask for help on one or two, but at least attempt your own work first.

Trust me, it'll help you later on.