Botany Quiz 2

Question 1

Heterocysts—what do they do?

Answer 1

Fix nitrogen

Question 2

Bacterial cells lack

Answer 2

Nuclear envelope, plastids, mitochondria, membrane bound organelles

Question 3

Binary fission

Answer 3

Asexual reproduction used by prokaryotic organisms

Question 4

gelatinous sheath

Answer 4

A transparent mucous-like envelope around the cells

Question 5

Oscillatoria

Answer 5

Long filament of cells; photoautotrophs; Cyanobacteria

Question 6

Gloeocapsa

Answer 6

Cyanobacteria; unicellular with gelatinous sheath surrounding cell; looks like cluster of colonies

Question 7

Chlorophyll A and phycobilins

Answer 7

The blue-green color in Cyanobacteria

Question 8

Plant cells have

Answer 8

Cellulose cell wall, protoplast

Question 9

True branching

Answer 9

Branches arising by lateral cell divisions of the main filament

Question 10

False branching

Answer 10

Outgrowth of filaments adjacent to dead or specialized cells; filament curves

Question 11

3 forms of bacterial cells

Answer 11

Cocci, bacilli, spirilli

Question 12

2 bacteria in yogurt

Answer 12

Lactobacillus bulgaricus (bacilli), Streptococcus thermophilus (cocci)

Question 13

Akinetes

Answer 13

Large, oval, dense, spore-like cells that allow blue-green bacteria to survive harsh conditions

Question 14

Protoplasts contain

Answer 14

Cytoplasm and nucleus

Question 15

Nucleus

Answer 15

Command center of the cell that contains the chromosomes or genetic material

Question 16

Nucleoli

Answer 16

Centers of ribosomal RNA production

Question 17

What organelles are found in the cytoplasm?

Answer 17

Plastids, mitochondria, endoplasmic reticula, vacuoles

Question 18

Plasmodesmata

Answer 18

Channels through cell walls that connect the cytoplasms of adjacent cells

Question 19

Eukaryotic cells reproduce asexually through

Answer 19

Mitosis

Question 20

Interphase

Answer 20

Cell duplicates it’s DNA in preparation for cell division

Question 21

2 stages of cell division

Answer 21

Mitosis and cytokinesis

Question 22

Mitosis

Answer 22

Division of the nucleus

Question 23

Cytokinesis

Answer 23

Division of the cytoplasm

Question 24

4 stages of mitosis

Answer 24

Prophase, metaphase, anaphase, telophase (PMAT)

Question 25

Prophase

Answer 25

Chromosomes become visible, nuclear envelope dissolves, spindle forms

Question 26

Metaphase

Answer 26

Second phase of mitosis, during which the chromosomes line up across the center of the cell

Question 27

Anaphase

Answer 27

Phase of mitosis in which the chromosomes separate and move to the opposite ends of the cell

Question 28

Telophase

Answer 28

Phase of mitosis in which the distinct individual chromosomes begin to spread out into a tangle of chromatin

Question 29

Cytoplasmic streaming

Answer 29

Circular flow of cytoplasm within cells

Question 30

Peptidoglycan cell wall

Answer 30

Bacterial cells are enclosed in it

Question 31

Equatorial plane in metaphase

Answer 31

The plane in the middle where the chromosomes become arranged