True of False. Please remember that all parts of the sentence must be True for the sentence to be deemed True (50 marks)
True or False?
1
Pichia stipitis is a yeast capable of making yeast from wood carbohydrates, and the nucleus of prokaryotes is the only gene sequence in the cell
2
Liquid nutrients are supplied to cells in a Petri dish, and a piece of skin has only one type of human cells
3
Stem cells will differentiate into many types of animal cells, and a piece of plant leaf can produce a whole plant (in the right conditions)
4
Viruses are obligate parasites, and all photosynthetic microbes are algae
5
Methanogens are archaebacteria, and yeasts are fungi
6
Microorganisms are prokaryotes, and all microorganisms are multicellular
7
Eukaryotes have a cell wall, and some prokaryotes have a cell wall
8
Eubacteria are eukaryotes, and the average size of viruses is 0.03-0.2 x 10-6m (0.03-0.2 µm)
9
The average size of a prokaryote is 0.5-3 x 10-6m, and cyanobacteria are eukaryotes called algae
10
Animal cells have no cell wall, and sterols are present in cell membranes of eukaryotes
11
Animal cells reproduce sexually, and eukaryotes by fission
12
Respiration and oxidative phosphorylation occur in mitochondria, and protein modifications (N-linked glycosylation) occur in the rough endoplasmic reticulum
13
Lipid synthesis in prokaryotes occur in the smooth ER, and ribosomes are the site of protein synthesis
14
Lysosomes, peroxisomes and glyoxysomes are only present in eukaryotes
15
N-linked glycosylation of proteins occurs in the rough ER, and O-linked glycosylation of proteins occurs in the Golgi body (complex; apparatus)
16
Some prokaryotes and all eukaryotes have vacuoles
17
Both photosynthetic bacteria and eukaryotes have chloroplasts to perform photosynthesis
18
Molds grown in submerged cultures can produce aggregates 10 times the size of the filamentous form growing n moist, solid surfaces
19
Fungi are yeasts, and all eukaryotes have vacuoles
20
Using a 20-nm pore size filter for a bacterial solution contaminated by bacteriophages, healthy bacteria will remain on the filter and the viruses will all be found in the filtrate
21
The glycosylation of proteins changes the protein structure, function and stability
22
Totipotent cells can differentiate to make a complete organism, and unipotent cells can only reproduce their own type of cells
23
In a batch fermentation, the product is recovered in small amounts along the fermentation
24
Cyanobacteria are eukaryotes capable of using light energy, and Agrobacterium tumefaciens infects plant roots
25
Gram-positive cells have strong cell walls containing peptidoglycans, and Gram-negative cells appear pink because they lost the violet stain (of the first step of the technique) during the second step
True of False. Please remember that all parts of the sentence must be True for the sentence to be deemed True (50 marks)
| True or False? | ||
| 1 | Pichia stipitis is a yeast capable of making yeast from wood carbohydrates, and the nucleus of prokaryotes is the only gene sequence in the cell | |
| 2 | Liquid nutrients are supplied to cells in a Petri dish, and a piece of skin has only one type of human cells | |
| 3 | Stem cells will differentiate into many types of animal cells, and a piece of plant leaf can produce a whole plant (in the right conditions) | |
| 4 | Viruses are obligate parasites, and all photosynthetic microbes are algae | |
| 5 | Methanogens are archaebacteria, and yeasts are fungi | |
| 6 | Microorganisms are prokaryotes, and all microorganisms are multicellular | |
| 7 | Eukaryotes have a cell wall, and some prokaryotes have a cell wall | |
| 8 | Eubacteria are eukaryotes, and the average size of viruses is 0.03-0.2 x 10-6m (0.03-0.2 µm) | |
| 9 | The average size of a prokaryote is 0.5-3 x 10-6m, and cyanobacteria are eukaryotes called algae | |
| 10 | Animal cells have no cell wall, and sterols are present in cell membranes of eukaryotes | |
| 11 | Animal cells reproduce sexually, and eukaryotes by fission | |
| 12 | Respiration and oxidative phosphorylation occur in mitochondria, and protein modifications (N-linked glycosylation) occur in the rough endoplasmic reticulum | |
| 13 | Lipid synthesis in prokaryotes occur in the smooth ER, and ribosomes are the site of protein synthesis | |
| 14 | Lysosomes, peroxisomes and glyoxysomes are only present in eukaryotes | |
| 15 | N-linked glycosylation of proteins occurs in the rough ER, and O-linked glycosylation of proteins occurs in the Golgi body (complex; apparatus) | |
| 16 | Some prokaryotes and all eukaryotes have vacuoles | |
| 17 | Both photosynthetic bacteria and eukaryotes have chloroplasts to perform photosynthesis | |
| 18 | Molds grown in submerged cultures can produce aggregates 10 times the size of the filamentous form growing n moist, solid surfaces | |
| 19 | Fungi are yeasts, and all eukaryotes have vacuoles | |
| 20 | Using a 20-nm pore size filter for a bacterial solution contaminated by bacteriophages, healthy bacteria will remain on the filter and the viruses will all be found in the filtrate | |
| 21 | The glycosylation of proteins changes the protein structure, function and stability | |
| 22 | Totipotent cells can differentiate to make a complete organism, and unipotent cells can only reproduce their own type of cells | |
| 23 | In a batch fermentation, the product is recovered in small amounts along the fermentation | |
| 24 | Cyanobacteria are eukaryotes capable of using light energy, and Agrobacterium tumefaciens infects plant roots | |
| 25 | Gram-positive cells have strong cell walls containing peptidoglycans, and Gram-negative cells appear pink because they lost the violet stain (of the first step of the technique) during the second step |
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Related textbook solutions
Related questions
1.This week, you will be conducting Gram stains of bacteria.Which of the following statements are true? (Mark all thatapply)
Gram-negative bacteria do not stain purple because they do nottake-up crystal violet or iodine | ||
The peptidoglycan in the walls of Gram-positive bacteria bindsto the crystal violet stain more easily than walls of Gram-negativebacteria do | ||
Gram-positive bacteria have cell walls with a thickerpeptidoglycan layer than walls of Gram-negative bacteria | ||
Gram-negative bacteria do not stain purple, because their cellwall structure allows purple-colored iodine-dye complexes to washout of the cells more easily than the cell wall structure ofGram-positive bacteria does | ||
Gram-negative bacteria have an outer membrane (outside thepeptidoglycan layer in their wall) that Gram-positive bacterialack |
2.
What evidence is used to inform our understanding ofrelationships among species? (mark all that apply)
Biochemical similarities between existing species | ||
Fossils | ||
Morphological similarities between existing species (presence ofhair, backbones, etc.) | ||
DNA sequences and molecular clocks |
3.
For each of the groups of organisms below, indicate whether theybelong in (A.) Archaea, (B.) Bacteria, or (C.) Eukarya
|
4.
Select all true statements about the relative diversity ofdifferent groups of organisms from among the followingstatements:
There are more species of plants on Earth than species ofmolluscs | ||
There are more plant species on Earth than mammal species | ||
There are more species of plants on Earth than species offungi | ||
There are more species of fungi on Earth than mammal species | ||
There are more species of plants on Earth than species ofarthropods | ||
There are more flatworm species on Earth than mammal species |
