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
inessss [21]
3 years ago
9

All of the following structures are unique to plant cells except

Biology
1 answer:
shtirl [24]3 years ago
5 0
D.mitochondria because animal cells also contain mitochondria
You might be interested in
Before 1800, most peppered moths in England were light–colored. During the Industrial Revolution, soot and industrial wastes dar
Veseljchak [2.6K]
The correct answer is: Natural selection acted on the variation that was present in the population.
8 0
3 years ago
In the alpha helix, there is hydrogen bonding between the In the alpha helix, there is hydrogen bonding between the blank of one
AnnyKZ [126]

Answer:

In the α helix structure, there is a hydrogen bonding between oxygen atom in a carbonyl of one amino acid and the hydrogen atom of the amino group that is situated four residues farther along the polypeptide chain

Explanation:

The common secondary structure of protein are: <em>α helix and β pleated sheet</em>

<em>α helix </em>is a rod like structure.<em> </em>It is a<em> right handed coil </em>of amino acid residue on a polypeptide chain, which may be 4 units or 40 units long. The coil is held together by hydrogen bond between oxygen atom in a carbonyl of one amino acid and the hydrogen atom of the amino group that is situated four residues farther along the polypeptide chain. This means that every complete turn of the helix is only 3.6 residues.

5 0
3 years ago
What are the two sources of heat in the earth's interior?
tensa zangetsu [6.8K]

The two sources of heat in the earth's interior are-

A. The leftover heat from formation and radioactive decay

Explanation:

The leftover heat from the time when the planet was formed, which has not yet been lost, is a source of internal heating of the earth. There are various radioactive elements present deep inside the earth and they are decaying slowly and gradually and emit heat into the earth's interior.

7 0
3 years ago
What is the function of any muscle tissue?
Papessa [141]
Movement is the main function of muscular tissue. They have the ability to contract and this is what brings about the movement of body parts. They also help to maintain body posture and position.
3 0
2 years ago
PLEASE PLEASE HELP!!! i will give brainliest!!!
Ksenya-84 [330]

Answer: Among the detailed categories of proximate causes for all regions, the extension of overland transport infrastructure, followed by commercial wood extraction, permanent cultivation, and cattle ranching, is the leading proximate cause of deforestation.

6 0
2 years ago
Other questions:
  • Consider an atom of gold in which the nucleus contains 79 protons and 118 neutrons. What is its atomic number and atomic mass nu
    14·1 answer
  • Could life have survived deep below the surface of ancient earth
    6·1 answer
  • During breeding season, the sight of a red belly on a male stickleback fish will trigger an antagonistic response in other males
    13·1 answer
  • What is the energy in an atoms nucleus?
    8·1 answer
  • To see a general view of a microscope slide, use _____ power. If you need to see a more specific and detailed view, use _____ po
    7·1 answer
  • If two people have normal pigmentation, what possible phenotypes may be observed in their offspring?
    10·1 answer
  • Which motion allows an observer on Earth to view
    7·1 answer
  • Use the information extracted from the figure below to answer the following question.
    8·1 answer
  • Please help me ASAP this is very important please help!!!!!
    8·1 answer
  • What are the parts of an bacteria
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!