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
makvit [3.9K]
3 years ago
12

Before organisms with nuclei evolved, life on earth consisted only of unicellular

Biology
1 answer:
Free_Kalibri [48]3 years ago
8 0
These organisms that consisted only of unicellular were called prokaryotes. 
You might be interested in
Biology question 3
mamaluj [8]
The muscle cells divide through Mitosis, a cellular division comprised of several other substeps. 

The final step of the cell division is the cytokinesis by which two new cells are formed from cell with a multiple number of nucleus after the replication process. This steps follow the telophase. 
5 0
3 years ago
How is a covalent bond formed between atoms?
sattari [20]

B. by the sharing of electrons

Answer choices A  and C are incorrect because covalent bonds form as a result of electrons (protons are kind of irrelevant). Answer choice D is incorrect because it describes an ionic bond.

Further study topics: water polarity, hydrogen bonds, free radicals, valence electrons, and more!

8 0
3 years ago
Is it true or false
Sonbull [250]
False is the correct answer 

6 0
3 years ago
Read 2 more answers
Ribosomes are made in the nucleolus. What happens once the ribosome passes into the cytoplasm?
victus00 [196]

The Answer is B, as they attach to the endoplasmic reticulum so that the protein process can occur

3 0
3 years ago
Read 2 more answers
Which of these is a source of phosphorus in the environment ?
Brut [27]
What are the options?
6 0
2 years ago
Read 2 more answers
Other questions:
  • Atom in a blank stay in a fixed position and have no freedom to move
    5·1 answer
  • What type of blood do reptiles and amphibians have? If it depends on species please right them down.
    6·1 answer
  • What can insects do that no other arthropod can do
    12·1 answer
  • A teacher cut an apple into three wedges of the same size. She dipped one wedge in lemon juice, dipped another in water, and lef
    10·2 answers
  • Which of the following are examples of malpractice in the healthcare workplace? Check all of the boxes that apply.
    9·2 answers
  • Which pair of properties apply to both mechanical and electromagnetic waves?
    12·1 answer
  • 1.) What is the percentage chance of producing a boy?
    11·1 answer
  • Abbey always gets zits on her chin and she can't figure out
    8·2 answers
  • PLEASE HURRY!!!!!!!!!!!!!!!!!
    15·2 answers
  • When comparing the virus/bacteriophage to the host cell that it infects, which statements are accurate? Select all that apply
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!