CELL STRUCTURES

Question 1

Was the one who termed the word “CELL” and when

Answer 1

ROBERT HOOKE, 1665

Question 2

Who first describe living cells and when did he/she describe them?

Answer 2

ANTON VAN LEEUWENHOEK, 1675

Question 3

Who are Schleiden, Schwann and Virchow?

Answer 3

authors of cell theory

Question 4

Series of lenses that magnify objects

Answer 4

COMPOUND LIGHT MICROSCOPE

Question 5

Give the 3 cell theories

Answer 5

1. Cell is the basic, functional, and structural unit of all life.
2. All living things are composed of cells, cell parts, and cell products
3. All cells come from pre-existing cells

Question 6

It boomed during the 1940s and it aims a beam of electrons through a magnetic field; it uses electromagnets

Answer 6

Electron Microscope

Question 7

What is SEM, TEM & STEM?

Answer 7

SEM - Scanning Electron Microscope
TEM - Transmission Electron Microscopic-slice
STEM - Scanning Tunneling Electron Microscope

Question 8

What’s the difference between SEM, TEM & STEM

Answer 8

SEM - ion coated; shows a 3-d surface
TEM - stained with metal ions
STEM - creates 3d surface image of a living thing

Question 9

2 kinds of cells

Answer 9

PROKARYOTIC & EUKARYOTIC

Question 10

What’s the difference between pro & eu?

Answer 10

PRO:
doesnt have a membrane-bound nucleus & membrane-bound organelles
most are SINGLE-CELLED

EU:
nucleus is enclosed with a nuclear membrane
have membrane-bound organelles
either single/multicellular celled

Question 11

Give examples of both pro & eu

Answer 11

PRO - bacteria, cyanobacteria

EU -animals, plants, protists, fungi

Question 12

Give the parts of the cell under cell structures

Answer 12

PLASMA CELL MEMBRANE, CYTOPLASM, CELL WALL (cell wall is only in plants)

Question 13

Give ALL kinds of organelles found in the cells

Answer 13

Nucleus
Ribosomes
Golgi Apparatus
Lysosomes
Endoplasmic Reticulum
Mitochondria
Centrioles
Vacuoles
Chloroplasts

Question 14

Give the parts of the cell that are under movement and support

Answer 14

CYTOSKELETON, CILIA, FLAGELLA

Question 15

Organelles that are only found in animal cells and aids in cell division in animal cells

Answer 15

CENTRIOLES

Question 16

Storage vessels found within the cell and plants usually have large ones of these. While in animals there are small or sometimes even absent

Answer 16

VACUOLES

Question 17

It stores food, water, waste products

Answer 17

VACUOLES

Question 18

What is a CONTRACTILE VACUOLE?

Answer 18

specialized vacuole to remove excess water from unicellular aquatic organisms

Question 19

Organelles that are only found in plants and are filled with chlorophyll

Answer 19

CHLOROPLASTS

Question 20

Function of chloroplasts

Answer 20

transform light energy to store energy

Question 21

What are GRANA & STROMA?

Answer 21

G - stacked membranous sacs

S - fluid that surround grana

Question 22

Another thing that is found only on plants

Answer 22

CELL WALL

Question 23

Why can’t cells grow to a large size?

Answer 23

it is because of the ability of the cell membrane to absorb and release substances that prevents them from growing large.

SURFACE-AREA-TO-VOLUME RATIO -there isn’t enough surface area to absorb nutrients quickly enough to keep the cell alive as it grows larger.