Post a New Question

biology

posted by .

1. Which of the following statements does not describe a difference between the DNA of prokaryotes and the DNA of eukaryotes ?
a.prokaryotic DNA is shorter and less complex than eurkaryotic DNA
b. Prokaryotic DNA chains have two nucleotides, eukaroyotic DNA has four.
c. Prokaryotic DNA has a single chromosomes; eukaroyotic DNA has multiple chromosmes.
d. Prokaryotic DNA is arranged in circular structures; eukaroyotic DNA consists of linear strands.
I chose C ?
2. Which of the following describes the flow of energy in a food web that contains the organisms:fish, zooplankton, bacteria, phytoplankton?
a. fish-zooplankton-phytoplankton-bacteria
b.phytoplankton-zooplankton-fish-bacteria
c.bacteria-phytoplankton-zooplankton-fish
d.phytoplankton-zooplanktonbacteria-fish
I chose C ?
3.which equation best describe photosynthesis ?
a. water and energy yield carbohydrates and carbon dioxide
b. carbohydrates and carbon dioxide yield energy and oxygen
c. energy, water, and chlorophyll yield carbon dioxide and oxygen
d.carbon dioxide, water, and energy yield carbohydrates and oxygen.
I chose D ?

4. In which following situations will a mutation appear in the phenotype of an individual ?
a. the genetic code for protein synthesis has not been altered.
b. the mutation occurs in an organism which is past reproductive age.
c. the mutation is recessive and is present in one copy of the diploid gene.
d. the mutation is recessive and is present in both copies of the diploid gene.
I chose D ?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Biology

    1. How many base pairs are in a full turn or twist of a DNA molecule?
  2. Biology

    In the final step of DNA extraction from E. Coli bacteria, we used ethanol so that the DNA would precipitate. Why is it that DNA precipitates in ethanol, and not in water?
  3. psychology

    Which one of the following statements describe the relationship between genes,chormosomes and DNA?
  4. psychology

    Which one of the following statements describe the relationship between genes,chormosomes and DNA?
  5. Biology

    Which of the following must occur for a mismatch error to be repaired?
  6. Biology-Is my answer correct

    Which of the following must occur for a mismatch error to be repaired?
  7. DNA

    Do the two DNA double helices following DNA replication have the same, or a different, composition?
  8. bio please help Ms sue

    DNA is copied by an enzyme called DNA (A) __________, and the process of copying DNA is called (B) __________. The two new double-stranded DNA molecules have one strand from the original DNA molecule and one strand from the freshly …
  9. Science

    RNA is thought to have proceeded proteins and DNA, why?
  10. Biology

    Which of the following statements regarding DNA and RNA is true?

More Similar Questions

Post a New Question