1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nataly [62]
3 years ago
5

Which of the following statements about archaea are true cowan?A) They are prokaryotes.B) They lack peptidoglycan in their cell

walls.C) Some are thermoacidophiles; others are extreme halophiles.D) They evolved before bacteria.E) Some produce methane from carbon dioxide and hydrogen.
Biology
1 answer:
Veseljchak [2.6K]3 years ago
3 0

Answer:

All the options are true except option D.

Explanation:

Archaea are a group of prokaryotic organisms i.e. they lack a membrane bound nucleus. They are one of the the three domains of life (the other two being bacteria and eukarya). Archeans possess a cell wall like bacteria but it is not composed of peptidoglycan, like bacteria cell wall.

Archeans are generally known to be found in very severe environmental conditions, hence, they are referred to as extremophiles e.g Some are thermoacidophiles i.e. thrive in very hot and acidic environment while others are extreme halophiles i.e. thrive in salty regions. Archeans known as methanogens produce methane gas as a product of metabolism from carbon dioxide and hydrogen.

However, the domain archeae was only found to be in existence recently after the domain bacteria, hence, they are not considered to evolve before the domain bacteria.

You might be interested in
Which of the choices below forms midway between the divided nucleus during cytokinesis in plant cells?
Paul [167]
The plant cells are in a tree. The cytokinesis is the cells in a plant's top root. Soo, it is divided into 5 parts.

If you have any more questions, I'm available.


- Shelly O
5 0
3 years ago
Which is an application of DNA technology in medicine?
dusya [7]

Answer:

determining hereditary diseases in individuals and families

Explanation:

DNA technology is used to join together DNA segments. DNA technology includes DNA sequencing and DNA cloning.

DNA technology is important to the pharmaceutical industry. By genetic modifications such as high nutrition value, it helps in improving the food production quality.

DNA technology helps in determining hereditary diseases in individuals and families.

6 0
3 years ago
Four students described the characteristics of four different states of matter. The table below shows the description given by e
frutty [35]
Student A described liquids.
6 0
3 years ago
Read 2 more answers
The red blood cell count is kept stable despite productions of new cells by what?
saveliy_v [14]
The answer is programmed cell death
8 0
3 years ago
Brian often interrupts his teacher while she is speaking and frequently forgets to complete his homework assignments. He also ha
Anton [14]

Answer:

Brian most clearly exhibits symptoms of ADHD

Explanation:

ADHD stands for Attention Deficit Hyperactivity Disorder is a medical condition where the affected person develops different brain developmental process that leads to poor attention,restlessness,impatient or impulsive etc.

This type of symptoms are mainly found in children and it may lasts upto adulthood.

This type of behviour affect the child in school and at home.

To cure this disease,the affected person should consult the doctor,apply different therapy,medicines are also used to cure this disease.

3 0
3 years ago
Other questions:
  • ________ is the process by which bacteria return nutrients to the soil
    10·1 answer
  • What are the atoms that make up carbohydrates
    8·2 answers
  • PLEASE HURRY YOU WILL GET 99 POINTS explain how musculs are effected in space and what's inporten of international space
    8·2 answers
  • L=long wings and l=short wings. How can two long winged bees produce short winged bees? *
    6·2 answers
  • Which of the following correctly describes the importance of the nitrogen cycle?
    7·1 answer
  • Which series shows levels of organization in order from the smallest to the largest structure ?
    11·1 answer
  • The mother is homozygous recessive and the father is homozygous dominant. Using the letter m for magical powers, what is the rat
    10·2 answers
  • Which of the following is formed during pollen grain development?
    10·1 answer
  • Explain the advantage of an increase in the number of mitochondria in slow twitch fibres. Include at least 2 points in your resp
    8·1 answer
  • what is being done to address the decreased air quality and smog problem? and what can be done? (in your own words please) *scie
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!