Chapter 4 Set Ghazanfary
Molecules move into and out of the nucleus through the _____. -nucleoid -nucleolus -chromatin -nuclear pores
nuclear pores
Which of these stores ribosomes? -lysosomes -nucleolus -rough endoplasmic reticulum -Golgi apparatus -ribosomes
nucleolus
_____ are surface appendages that allow a bacterium to stick to a surface. -Flagella -Cell walls -Pili -Ribosomes -Mitochondria
Pili
What is the function of a bacterium's capsule? -DNA storage -adhesion -protein synthesis -propulsion -protection
Protection
_____ are the sites of protein synthesis. -Peroxisomes -Ribosomes -Mitochondria -Microfilaments -Golgi apparatuses
Ribosomes
A prokaryotic cell is distinct from a eukaryotic cell because a prokaryotic cell lacks _____. -a membrane-bound nucleus -carbohydrates -a plasma membrane -ribosomes
a membrane bound nucleus
Mitochondria are involved in which process? -cellular respiration -photosynthesis
cellular respiration
Which of the following organelles are found only in plant cells? -chloroplasts -mitochondria -nucleus -Golgi apparatus
chloroplasts
The cilia and flagella of eukaryotic cells are composed of _____. -microtubules -intermediate filaments -tonofilaments -microfilaments -pili
microtubules
A cell engulfing a bacterium is an example of _____. -phagocytosis -pinocytosis -facilitated diffusion -receptor-mediated endocytosis -exocytosis
phagocytosis
What are the two main functions of lysosomes?
phagocytosis and Autophagy
The _____ is a selective barrier, regulating the passage of material into and out of the cell. -lysosome -plasma membrane -nucleus -chloroplast -nuclear envelope
plasma membrane
Name the organelles of the endomembrane system.
plasma membrane, nuclear envelope, endoplasmic reticulum, Golgi apparatus, vacuoles, and lysosomes
What are the two main functions of the rough ER?
produces proteins and ships proteins to Golgi apparatus
The cell wall found in bacterial cells functions to _____. -regulate what passes in and out of the cell -maintain the position of the nucleus -synthesize phospholipids -protect the cell and provide shape and rigidity
protect the cell and provide shape and rigidity
The ribosome functions in the synthesis of _____. -carbohydrates -proteins -nucleic acids -lipids
proteins
The cell is the _______ unit of _______.
simplest unit of life
Where is calcium stored? -mitochondria -centrioles -smooth endoplasmic reticulum -rough endoplasmic reticulum -microtubules smooth endoplasmic reticulum
smooth ER
What are the three main functions of the cytoskeleton?
structure, movement, and anchors organelles
What is the function of mitochondria?
to convert energy into food
