Chapter 4 Set Ghazanfary

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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


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