cel mol

Question 1

where did life originate

Answer 1

it came from the swamp - primordial ooze model
it came from outer space - arrived on a comet

Question 2

what did the modern comets carry

Answer 2

carries organic molecules and amino acids

Question 3

carried organic molecules to Earth

Answer 3

Murchison meteorite

Question 4

use to detect organic molecules in interstellar molecular clouds

Answer 4

spectroscopy

Question 5

We have evidence of intense early bombardment of Earth

Answer 5

both rocky and icy bodies

Question 6

where did life originate

Answer 6

it came from the center of the earth - evolved in hydrothermal waters

Question 7

At surface of Earth, the most primitive bacteria

Answer 7

are chemotrophs located at the Yellowstone hot spring bacteria

Similar bacteria have been found in very deep wells (10 km deep)
and at mid-ocean ridge black smokers

Question 8

where did life originate

Answer 8

Development of more complex organisms

Question 9

small, no nucleus, limited organelles, simple ring chromosome with few genes

Answer 9

prokaryote

Question 10

large, organelles, nucleus, complex chromosomes with many
genes

Answer 10

eukaryote

Question 11

resemble prokaryotes, some even have RNA

Answer 11

organelles

Question 12

from symbiosis of prokaryotes

Answer 12

Evolution of eukaryotes

Question 13

are the topic of intense study

Answer 13

cells

Question 14

requires creative instruments and techniques

Answer 14

study of cells

Question 15

is reductionist, based on the premise that studying the parts of the whole can explain the character of the whole

Answer 15

cell biology

Question 16

allowed cell visualization

Answer 16

microscopes

Question 17

termed pores inside cork cells because they reminded him of the cells inhabited by monastery monks

Answer 17

robert hooke

Question 18

examine a drop of pond water and observed teeming microscopic anamalcules

Answer 18

anton van leeunwenhoek

Question 19

saw bacteria from peppercorn water and dental plaque

Answer 19

anton van leeunwenhoek

Question 20

was articulated in the mid - 1800s by matthias schleiden theodor schwann and rudolf virchow

Answer 20

cell theory

Question 21

alll organism are composed or one or more cells

the cell is the structural unit of life

cells arise only by division from a pre-existing cell

Answer 21

memorize

Question 22

contain genetic information dna passed to next cell generation

Answer 22

cellls

Question 23

is the most basic property of cells

Answer 23

life

Question 24

can grow and reproduce in culture for extended periods

Answer 24

cells

Question 25

are cultured tumor cells isolated from a cancer patient henrietta lacks

Answer 25

hela cells

Question 26

are an essential tool for cell biologist

Answer 26

cultured cells

Question 27

are highly regulated

Answer 27

cellular processes

Question 28

cells from different species share

Answer 28

similar structure, composition, and metabolic features