Deck 3 Flashcards
Animal cells, unlike plant cells:
a. are seperated from the external environment by a cytoplasmic membrane
b. have a semi-permeable cellular wall on the surface
c. do not have any cell wall
d. are mutually interconnected by plasmodesmas
do not have any cell wall
The problem of waste disposal caused by watertight egg is solved by storing the waste in the …
allantois
The heart muscle is supplied by oxygen and nutrients through the following …
coronary arteries
Veterinary medicine belongs to …
applied sciences
Cytoskeleton of the cell …
provides for spatial division of organelles in the cell
The major factor responsible for fishes replacing first vertebrates was:
a. better teeth
b. better swimming
c. stronger bones
d. better respiration
better swimming
Heart muscle:
a. is termeed as epicard
b. is termed as endocard
c. contracts and does not relax
d. has the ability of contraction
has the ability of contraction
Historically oldest and most frequently used scientific method in biology is …
observation
Smooth ER …
is without ribosomes
Mammals arose from:
a. dinosaurs
b. birds
c. therapsids
d. thecodonts
therapsids
Blood flows into the lungs of man immediately from …
pulmonary artery, which originates from the right ventricle
Method actively interfering into biological phenomena and processes in biology is …
experiment
Cell nucleus:
a. is termed as nucleoid in eukaryotic cells
b. is termed as nucleoulus
c. consists predominantly of RNA and proteins
d. is bound by double membrane
is bound by double membrane
Most palaeontologist consider amphibians to have evolved from …
rhipidistians
The muscle layer of the vessel wall …
is thicker in arteries than in veins