Biol 2460 Exam 2 with correct answer

Biol 2460 Exam 2 with correct answers
Difference | | | between | | | bacteria, | | | archaea | | | and | | | eukaryotes: | | | - | | | correct | | | answerBacteria | | | - | | | cell
| | | wall | | | peptidoglycan



Archaea | | | - | | | cell | | | wall | | | distinct

Bact | | | & | | | Arch | | | - | | | no | | | membrane-bound | | | organelles, | | | nuclear | | | material | | | free | | | in | | | cytoplasm

Eukaryotes | | | - | | | have | | | nucleus



Cell | | | envelope | | | of | | | bacteria | | | - | | | correct | | | answerOuter | | | membrane, | | | cell | | | wall, | | | cell | | |
membrane



Internal | | | structures | | | of | | | bacteria | | | - | | | correct | | | answernucleoid, | | | cytoplasm, | | | ribosomes, | | |
cytoskeleton, | | | plasmids



Cell | | | membrane | | | - | | | correct | | | answerthin | | | sheet | | | of | | | lipid | | | and | | | protein | | | surrounding | | |
cytoplasm

transport | | | - | | | controls | | | flow | | | in | | | and | | | out | | | of | | | cell

energy | | | reactions | | | - | | | ATP | | | synthesis

Make | | | macromolecules



Nucleoid | | | - | | | correct | | | answercondensed | | | DNA | | | molecules



Ribosomes | | | - | | | correct | | | answertiny | | | particles | | | made | | | of | | | protein | | | and | | | RNA

sites | | | of | | | protein | | | synthesis



Cytoplsm | | | - | | | correct | | | answerwater | | | based | | | solution | | | filling | | | cell



S | | | layer | | | - | | | correct | | | answermonolayer | | | of | | | protein | | | used | | | for | | | protection | | | and/or | | |
attachment

, Fimbriae | | | - | | | correct | | | answerfine, | | | hairlike | | | bristles | | | extending | | | from | | | the | | | cell | | | surface | | | that
| | | help | | | in | | | adhesion | | | to | | | other | | | cells | | | and | | | surfaces




Outer | | | membrane | | | - | | | correct | | | answerExtra | | | membrane | | | similar | | | to | | | cell | | | membrane | | | but | | |
also | | | containing | | | lipopolysaccharide. | | | Controls | | | flow | | | of | | | materials, | | | and | | | portions | | | of | | | it | | |
are | | | toxic | | | to | | | mammals | | | when | | | released



Cell | | | wall | | | - | | | correct | | | answersemirigid | | | casing | | | that | | | provides | | | structural | | | support | | | and | | |
shape | | | for | | | cell



Actin | | | cytoskeleton | | | - | | | correct | | | answerlong | | | fibers | | | of | | | proteins | | | that | | | encircle | | | the | | | cell | | |
just | | | inside | | | the | | | cell | | | membrane | | | and | | | contribute | | | to | | | the | | | shape | | | of | | | the | | | cell



Pilus | | | - | | | correct | | | answerappendage | | | used | | | for | | | drawing | | | another | | | bacterium | | | close | | | in | | |
order | | | to | | | transfer | | | DNA | | | to | | | it



Capsule | | | (s | | | layer/glycocalyx) | | | - | | | correct | | | answercoating | | | or | | | layer | | | of | | | molecules | | | external | | |
to | | | the | | | cell | | | wall

protective, | | | adhesive, | | | receptor



Plasmid | | | - | | | correct | | | answerdouble | | | stranded | | | DNA | | | circle | | | containing | | | extra | | | genes



Bacterial | | | colonies | | | - | | | correct | | | answernanowires | | | to | | | communicate, | | | transfer | | | electrons | | | and | |
| substances




3 | | | shapes | | | of | | | bacteria | | | - | | | correct | | | answercoccus, | | | bacillus, | | | spirillum



Coccus | | | - | | | correct | | | answerspheres, | | | oval, | | | bean-shaped, | | | pointed



Bacillus | | | - | | | correct | | | answerrod, | | | vibrio | | | (curved)