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
kobusy [5.1K]
4 years ago
10

Natural selection could not occur without?

Biology
1 answer:
11111nata11111 [884]4 years ago
3 0
I believe it’s variation
You might be interested in
Reticulate and elementary bodies are two forms of A. Mycoplasma. B. Caulobacter. C. Chlamydia. D. Myxobacteria.
Aleksandr [31]

Answer:

C. Chlamydia. is the correct answer.

Explanation:

Chlamydia is a bacterial sexually transmitted disease, caused by obligate intracellular Chlamydia trachomatis.

In the life of chlamydia, there are two stages of developmental(Reticulate and elementary bodies are two forms of Chlamydia.)

The elementary body is the infectious substance, they are non replicating and have a rigid outer membrane that binds to the receptors present on the host cell and it initiates the infection and due to the rigid outer membrane there, no fusion between the phagosome and the lysosome hence oppose the intracellular killing.

Reticulate bodies are the metabolically active form of a chlamydia and non-infectious.

6 0
3 years ago
A stable physical mixture of two or more substances is a(n):
mixer [17]
The answer is a solution
3 0
3 years ago
Read 2 more answers
Which is more complex prokaryotes or eukaryotes cells
nekit [7.7K]

Answer:

Eukaryotes

Explanation:

Eukaryotic cells have membrane bound organelles.

Prokaryotic cells do NOT have membrane bound organelles.

So, a Eukaryotic cell has structures such as a nucleus, mitochondria, a golgi complex, etc.  This provides the cells with distinct stuctures that have distinct functions.

consider the expression of a protein (protein synthesis.)  Transcription of the DNA into RNA happens within the nucleus.  The mRNA is sent from the nucleus to the cyctoplasm, where translation occurs at either the rough endoplasmic reticulum or the free floating ribosomes.

A prokaryotic cell has all of its machinery floating around inside its cytoplasm with no separation.    In these cells, transcription and translation both occur in the cytoplasm.  In fact, translation often begins before transcription is finished...

8 0
3 years ago
Spontaneous generation is
pochemuha

Answer:

Explanation:Spontaneous generation is a body of thought on the ordinary formation of living organisms without descent from similar organisms. The theory of spontaneous generation held that living creatures could arise from nonliving matter and that such processes were commonplace and regular.

5 0
3 years ago
A dwarf planet flies towards the sun and orbits it. As it does, it burns up leaving a trail of gas and vapor in a form of 2 tail
Inga [223]
False because if it’s burnt it would leave a trail of gas but it’s said 2 tails not 1 there was only one planet
8 0
3 years ago
Other questions:
  • 50 POINTS GIVING BRAINLIEST ALSO!!!!!
    10·2 answers
  • What is the powerhouse of the cell
    6·2 answers
  • A loopful of bacteria containing 1000 bacterial cells is inoculated into a nutrient broth and incubated. After a negligible lag
    12·1 answer
  • The kerbs cycle is considered a cycle because
    5·2 answers
  • Plants use carbon dioxide in photosynthesis to create energy in the form of sugars that the plant uses to function and oxygen wh
    9·1 answer
  • What is the source of the oxygen released into the air as a product of photosynthesis?
    12·2 answers
  • Biologists use the system of binomial nomenclature developed by Linnaeus to assign scientific names to known living organisms. W
    10·2 answers
  • Thomas bought Ask Your Teacher feet of wood to fix his fence. When he finished, he had Ask Your Teacher feet of wood left. How m
    6·1 answer
  • How would a geologist use absolute dating to determine the age of sedimentary layers? by dating the age of intrusions and extrus
    15·2 answers
  • Around once per _________________, the moon __________________ around the Earth.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!