50 questions
What is the difference between rough and smooth ER?
There is no difference.
Plants have rough ER, animals have smooth ER.
What type of injuries the Doctors treat.
Rough has ribosomes, smooth does not.
According to the theory of Endosymbiosis, which two organelles are thought to have originated from free-living prokaryotic cells?
chloroplast and nucleus
mitochondrion and chloroplast
lysosome and mitochondrion
nucleus and lysosome
Which of the following is a prokaryote?
animal cell
bacteria
virus
plant cell
During cellular respiration, plants and animals use ................ to make energy (ATP).
Oxygen and Carbon Dioxide
Water and Oxygen
Water and Glucose
Oxygen and Glucose
Bacteria reproduce asexually by a process called
replication
sexual reproduction
mitosis
binary fission
Most enzymes are composed of .....
Lipids
Carbohydrates
Proteins
Nucleic Acids
What happens to an enzyme when it denatures?
The activation energy of the reaction is doubled.
The activation energy of the reaction is lowered.
It's optimal conditions for temperature of the enzyme are doubled.
The shape of the enzyme molecule is changed.