Log in
Biology
2
answers
0
watching
13
views
28 Nov 2019

Wood has high content of lignin. Lignin decomposition in the wood is catalyzed by a set of oxidases and peroxidases with auxiliary enzymes providing hydroxyl radicals. Some Basidiomycetes are important wood decomposers. What is a synapomorphy of basidiomycetes?

Watch
2
answers
0
watching
13
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Get unlimited access
Already have an account? Log in
Share
Nelly Stracke
Nelly StrackeLv2
9 Apr 2019
Get unlimited access
Already have an account? Log in
Share

Related textbook solutions

Molecular Cell Biology
8 Edition,
Lodish
ISBN: 9781464183393
Biology: Science for Life with Physiology
6 Edition,
Belk
ISBN: 9780134555430
Concepts of Biology
OER Edition,
Openstax
ISBN: 9781938168116
Biology
2nd Edition, 2013
Openstax
ISBN: 9781947172517
Essentials of Biology
5 Edition,
Mader
ISBN: 9781259660269

Related questions

1.A mycologist visits your biology class and discusses herresearch on a particular fungus that lives on the bark of damagedspruce trees. She explains that the fungal hyphae of her researchorganism is heterokaryotic. You raise your hand and request thatshe define that word. Her correct response is

heterokaryotic means that thenuclei of the fungal hyphae are genetically the same.
heterokaryotic means that eachcompartment of the hyphae contain two distinct nuclei.
heterokaryotic means that thenuclei of each compartment of the hyphae are geneticallydistinct.

heterokaryotic means that each compartment of the hyphaecontains only one nucleus.

2. Select the true statements concerning reproduction ofbasidiomycetes. (Check all that apply.)

The adult forms of a typicalbasidiomycete consists of a mass of dikaryotic primarymycelia.
The secondary mycelia fuse to formprimary mycelia. The primary mycelia form the fruiting body.
The gills of an Amanitamushroom contains basidiospores.
Karyogamy produces a diploid zygotethat undergoes meiosis.

Meiosis produces basidiospores, and the fusion of spores fromdifferent mating strains produces the primary mycelium.

3. In the life cycle of a zygomycete, after the zygospore isformed, the next event will be

dikaryon formation.
plasmogamy.
meiosis.
mitosis.

karyogamy.

4. Why does champagne have bubbles?

CO2 is used to makeglucose during respiration.
Yeast fermentation continues afterthe champagne is bottled.
Dead yeast cells releaseCO2 into the bottles.

Yeast produce O2 during aerobic respiration.

5. Many antibacterial antibiotics interfere with proteinsynthesis. Why would these not be a good target for antifungaldrugs?

Fungi can rapidly metabolizedrugs.
Fungi produce few proteins.
Chitin cell walls prevent uptake ofdrugs.
Human and fungal ribosomes areextremely similar to each other.

Fungi absorb proteins during decomposition of organicmatter.

6. Which molecule would be an indicator of fungal contaminationin a drug preparation?

Chitin
Lignin
Collagen
Cellulose

Deoxyribose

7. Why can lichens live on bare rock?

UV radiation powers enzymes thatallow the fungus to extract organic material from itssurroundings.
The fungi are autotrophic.
The photosynthetic endosymbiontprovides the fungus with nutrition.
They absorb heat from the sun.

They secrete acids to liberate minerals from the bare rock.

8. What type of symbiotic relationship is exemplified bymycorrhizal fungi?

Parasitism
Commensalism
Atavism

Mutualism

9. In what way are bacteria and fungi similar?

Cell wall components
Ribosome structure
Design of the nucleus

Ecological function

10. he fungal group that is most closely related to ancestralfungi are the

Zygomycota.
Basidomycota.
Ascomycota.

Chytridomycota.

11.Select the INCORRECT statement(s) concerning reproduction ofthe mold Rhizopus.

Fungal hyphae are multinucleate andhaploid.
Meiosis comes immediately beforefertilization.
The germinating zygosporangiumcontains diploid nuclei.
Rhizopus exclusivelyreproduces asexually.

Zygospores are only produced after meiosis.

12. Primary mycelia contain twice as much DNA as secondarymycelia.

True

False

13.After severe floods homeowners often return home to find thewall of their homes covered in mold. How does mold survive on wetwallboard?

It eats the gypsum that makes upthe wallboard.
Spores from within the wallboardgerminate and start growing.
It uses the wallboard as asubstrate but extracts nutrients from the air.

It digests the cellulose in the paper backing.

14. Why is the term "fungal cell mitosis" not technicallyaccurate?

The septa between nuclei form priorto mitosis.
All of the mycelium undergoesmitosis at the same time.
All stages of mitosis occur withinthe nucleus.

The mitotic spindle spans across the perforations of thesepta.

15. Select the true statements regarding the lifecycles ofbasidiomycetes and ascomycetes. (Check all that apply.)

Basidiocarps and ascocarps arefunctionally equivalent.
Dikaryotic mycelia are the same asdiploid mycelia.
Ascogenic hyphae are functionallyequivalent to secondary mycelia.

Both basidiospores and ascospores are stored externally.

16. A division of fungi that lacks septa in their hyphae exceptwhen they form sporangia or gametangia is the

ascomycetes.
zygomycetes.
chytridomycetes

basidiomycetes.

PLEASE HELP

1- Fundamentally, "Alternation of Generations" states that it is NOT possible for haploid organisms to be anything other than gametes

True , False

2- Which of the following are modern representatives of plants that first conquered land?

Bryophyta
Charophyta
Chlorophyta

Rhodophyta

3- Evolution of vascular tissues is important for land plants. This is part because...

vascular plant rhizoids are connected to vasular tissues
vascular tissues coincide with evolution of more rigid supporting compounts
vascular tissues coincide with evolution seed
vascular tissues coincide with evolution flowers

none of the above coincided with the evolution of vasculature

4- Spores are a result of mitotic division of sporocytes.

True

False

5- Mosses transport water and solutes in their vascular tissues.

True

False

6- Non-vascular plants produce lignin to support taller structures.

True

False

7- The egg of a moss is produced within a cavity called a...

ductlet
vacuole
venter
capsule

sporangium

8- One of the significant adaptations to prevent drying out in the land environment was the development by vascular plants of (a)

leaf system
cuticle
stomata
flowering system

both cuticle and stomata are correct

9- A moss protonema...

has the n number of chromosomes in each cell
is a part of the sporophyte generation
produces gametes
is saprophytic like a fungus

produces spores

10- The cohesion of water molecules and their adhesion to the walls of narrow tubes that results in water rising in the tubes is called...

imbibition
capillarity
active transport
guttation
transpiration pull

I am reviewing this article for a biochemistry presentation and need some help decyphering it. http://www.jbc.org/content/289/27/18707.full?sid=dd97d7e5-e294-4704-bcd6-b2bef3f37b34#cited-by

Can somebody please sum up what is said in the discussion section? From what I've gathered (correct me if I'm wrong) THC acts on the immune system, reducing inflammation by suppressing Th1 cytokine genes. It does not alter the expression of major enzymes involved in histone modification. When it gets into the noncoding RNAs and miRNAs I'm lost. Also the part about THC acting on epigenetic modification machinery has me lost. Thank you for helping me break down the discussion section.

Weekly leaderboard

Home
Homework Help 3,900,000
Biology 460,000
Start filling in the gaps now
Log in