Can you help me with my bio 104 study guide?!?

Question

Until fairly recently it was thought that only the nucleus of each cell contained DNA. We now know that DNA is also carried in the
Question 4 answers
a.)cytoskeleton and the ribosomes.
b.)the prokaryotes and the eukaryotes.
c.)the endoplasmic reticulum and the golgi bodies.
d.)the mitochondria and the chloroplasts.

Question 5 text Question 5
Organisms that have cells with a relatively uniform cytoplasm and no organelles are called ______________, and organisms whose cells do have organelles and a nucleus are called ______________ .
Question 5 answers
a.)cellulose, nuclear
b.)flagellated, streptococcal
c.)eukaryotes, prokaryotes
d.)prokaryotes, eukaryotes

Answer 1

d) Mitochondria and chloroplast have DNA different from the DNA of the nucleus. The reason is that both mitochondria and chloroplast were free living organisms (with their own DNA) at one point and were phagocyte by bacteria. That is also why they have 2 layers of membrane.
d) Prokaryotes don't have a membrane bound nuclei or organelles.

Answer 2

DNA is also carried in (d) Mitochondria and the chloroplasts...remember mitochondria are now thought to have been a separate unicellular organism that was endocytosed by larger cells that ended up forming a symbiotic relationship for energy.

Question 5.D Prokaryotes don't have a nuclear envelope whereas eukaryotes (yeast, c. elegans, mice to humans) do

Answer 3

D. mitochondria ...

C. prokaryotes, eukaryotes

Answer 4

d)mitochondria and chloroplasts
d)prokaryote and eukaryotes

Answer 5

1. receptor-mediated endocytosis. I think that's letter d in your choices. 2. d. Hope I helped.

Answer 6

D for both

Answer 7

D and D, I am pretty sure