Cell Structure and Compartments
An organism's first line of defense against attack by an invader such as a virus or bacterium is usually

a specific immune response
to flee or hide
its body wall
a nonspecific immune response

ANSWER DOWNLOAD EXAMIANS APP

Cell Structure and Compartments
Which of the following statements about prokaryotes is false?

Prokaryotic cells concentrate important materials for the cells survival
The substance known as cytosol is found within the bacterial nucleus
Ancient prokaryotes may have given rise to some eukaryotic organelles
Prokaryotic cells are much smaller than most eukaryotic cells

ANSWER DOWNLOAD EXAMIANS APP

Cell Structure and Compartments
Lysosomes are specialized vesicles in __________ that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in __________ , also contains enzymes but in addition may act as a storage organelle for nutrients or water.

plants and fungi; animals
animals; plants and fungi
animals and plants; fungi
plants; animals and fungi

ANSWER DOWNLOAD EXAMIANS APP

Cell Structure and Compartments
Microtubules, motor proteins, and actin filaments are all part of

the rough ER (endoplasmic reticulum) in prokaryotic cells
the cytoskeleton of eukaryotic cells
the process that moves small molecules across cell membranes
the mechanism of photosynthesis that occurs in chloroplasts

ANSWER DOWNLOAD EXAMIANS APP