Cell bio & Histology

cyclic AMP is considered to be a second messenger

• T

• F

Match the following

• clot formation or scarring

• healing is solely by regeneration

• regeneration and fibrosis

• destroyed tissue with scar tissue

• Fibrosis

• severe (destructive) infections

• simple infections (a pimple or sore throat)

• Healing of a wound (cut, scrape, puncture) that breaches an epithelial barrier

Exocytosis is an active transport process

• T

• F

Which of the following cell organelles possesses oxidase enzymes that function in neutralizing harmful free radicals

• Peroxisomes

• Lysosomes

• Mitochondrion

• Centriole

​ (a)   are composed of spherical protein subunits that can be quickly assembled and disassembled by the cell

• Microtubules
• microfilaments
• intermediate filaments
• none of these

Match the following

• Microtubules

• composed of strands of actin protein

• Microfilaments

• are hollow tubes made of spherical protein subunits called tubulin

• Intermediate Filaments

• insoluble protein fibers that resemble woven ropes. Made of twisted units of tetramer

Match the following

• Mitochondria

• composed of two subunits and can be "free" in the cytosol or attached to rough ER

• Centrioles

• composed of microtubules arranged in nine groups of three

• Ribosomes

• contain cristae and matrix

• Centrosome

• generates microtubules and organizes the mitotic spindle in cell division

Tags

NGSS.HS-LS1-4

Match the following

• Fibrocartilage

• 
• Adipose loose connective tissue proper

• 
• Reticular loose connective tissue proper

• 
• Bone

• 
• Areolar loose connective tissue proper

• 

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-4

Match the following

• Elastic dense connective tissue proper

• 
• Elastic Cartilage

• 
• Hyaline Cartilage

• 
• Irregular dense connective tissue proper

• 
• Regular dense connective tissue proper

• 

Tags

NGSS.HS-LS1-2

NGSS.HS-LS1-4

This is a type of connective tissue: which one is it? ​ (a)  

• blood
• bone
• cartilage
• connective tissue proper