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
Bumek [7]
2 years ago
11

Which of the following is not true about prokaryotic cells?

Biology
1 answer:
statuscvo [17]2 years ago
8 0

Answer:

Prokaryotes lack a true nucleus with well defined nuclear membrane and other membrane-bound organelles. Mitochondria are the double membrane bound organelle and hence is absent in prokaryotes. Mesosome is an extension of the cell membrane presence in the cytoplasm as infolding and serves to increases surface area and as a site for cellular respiration in prokaryotes. Histones are positively charged proteins that serve in the packaging of negatively charged eukaryotic DNA but are absent in prokaryotes.

So, the correct answer is option A.(DNA is complexed with histones).

You might be interested in
Genes/traits are different for each organism because...
Bond [772]

Answer:because we all have different anscestors And the traits come from all of them and you get some from your moms side and dads side

Explanation:

8 0
3 years ago
How do matter,energy, and processes create a system?
Vikentia [17]

Answer:

its like a cycle, theey go around n around to produce sometime of object or gas

Explanation:

4 0
3 years ago
Which statement best describes the role of the cell membrane?
Vlada [557]
Your answer would be C.It encloses the cytoplasm.
6 0
3 years ago
Read 2 more answers
In your own words, explain why an earthworm cannot survive if it were cut in half. PLEASE HURRY​
Masja [62]
It cannot survive because an earth worm will not become 2 new worm. The head of the worm may survive and regenerate a tail. But if original tail of the worm may not survive because it will not be able to grow a new head or the rest of its vital organs and it will die. I hope this helps. :)
5 0
3 years ago
If an inhibitory synapse fires at the same time and at the same distance from the initial segment as an excitatory synapse of th
Sergio [31]

Answer:

If an inhibitory synapse fires at the same time and at the same distance from the initial segment as an excitatory synapse of the same intensity there will be no changes in the potential in the firing zone.

Explanation:

Under normal conditions, the transmembrane potential depends on the ionic charges present in the intracellular and extracellular spaces. The extracellular space load is usually positive and in the cytoplasm is negative.

  • <u>Depolarization</u> occurs by opening ion channels that allow sodium to enter the cell, making the intracellular space more positive.
  • An opening of potassium channels releases this ion to the extracellular space, leading to <u>hyperpolarization</u>.

An excitatory synapse is one capable of depolarizing a cell and boosting the production of action potential, provided it is capable of reaching the threshold of said potential.

On the other hand, an inhibitory synapse is able to hyperpolarize the cell membrane and prevent an action potential from originating, so that they can inhibit the action of an excitatory synapse.

The interaction between two synapses, one excitatory and one inhibitory, -called synapse summation- will depend on the strength that each of them possesses. In this case, the intensity of both synapses being the same, there will be no changes in the membrane potential in the firing zone.

Learn more:

Excitatory and inhibitory postsynaptic potentials brainly.com/question/3521553

6 0
3 years ago
Other questions:
  • You get home from school and grab a bag of potato chips before settling onto the couch to binge watch your newest Netflix series
    12·1 answer
  • Jean kelly is an 82 year old woman who has been feeling more fatigued for the last three days and has had a fever the last twent
    9·1 answer
  • The The loudness of a sound is determined by the __________, or height, of the sound wave. A. frequency B. purity C. amplitude D
    13·2 answers
  • Review
    5·1 answer
  • This display graphically shows the energy that is available at each trophic level in a a food chain. example: shows how much ene
    8·2 answers
  • Which of these can be found in both gymnosperms and angiosperms
    9·1 answer
  • A __________ solution is a medium in which the overall concentration of solutes equals that found inside the cell. water enters
    6·1 answer
  • Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. When a dog approaches th
    13·2 answers
  • Plss anyone wanna Help?
    9·1 answer
  • Which osseous tissue is found at the surface of all bones?.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!