Lecture 2 - ANAT - Cells I

Question 1

prokaryotic cells

Answer 1

A prokaryote is a single-celled organism whose cell lacks a nucleus and other membrane-bound organelles

Question 2

what are 2 types of prokaryotic cells

Answer 2

bacteria + archaea (can live in extreme cond.)

Question 3

eukaryoteic cells

Answer 3

organisms whose cells have a membrane-bound nucleus

Question 4

histology

Answer 4

study of tissues (mico-anatomy)

Question 5

4 fundamental tissues

Answer 5

• epithelial tissue
• connective tissue
• muscular tissue
• nervous tissue

Question 6

extra cellular matrix

Answer 6

non-living tissue

Question 7

nucleus is composed of…

Answer 7

• nuclear envelope
• chromatin
• nucleolus
• nuclear lamina
• nuclear matrix

Question 8

chromatin

Answer 8

dna protein complex which makes up chromosomes

Question 9

anulear/ polynuclear

Answer 9

anuclear: RBC, fibre lenses, incoorect cell div
polynuclear: skeletal muscle cells,

Question 10

fibroblast

Answer 10

A fibroblast is a type of cell that contributes to the formation of connective tissue. Fibroblasts secrete collagen proteins that help maintain the structural framework of tissues.

Question 11

function of smooth ER

Answer 11

• synthesis of lipids (oils, steroids, phospholipids)
• detoxification of drugs and hormones
• break down glycogen
• store calcium ions
  also called arcoplastic reticulum*