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
Crazy boy [7]
2 years ago
15

Approximately 3.85 billion years ago, a group of single-celled microorganisms known as __________ were alive, reproducing, and e

volving.
Biology
1 answer:
seraphim [82]2 years ago
7 0

Microbes.  — cells that have a nucleus, like an amoeba or a paramecium

You might be interested in
What does burning fossil fuels have on the atmosphere
KATRIN_1 [288]

it cause global warming which heats up the atmosphere and most animals in colder areas there homes are melting because of fossil fuels?

7 0
2 years ago
All changes saved
Sedbober [7]

Answer:

mitochondrion

Explanation:

8 0
3 years ago
Most RNA viruses carry which of the following enzymes?
Dominik [7]

Answer:

The correct answer will be option-B.

Explanation:

Viral polymerases are the enzymes which play an important role in the viral genome transcription and replication.

Retrovirus is the single-stranded RNA viruses which replicate through a DNA intermediate and therefore requires the <em>RNA-dependent DNA polymerase or reverse transcriptase</em>. Reverse transcriptase encodes DNA from the strand of RNA which can be replicated and helps in the reproduction of the virus.

Thus, option- B is the correct answer.

6 0
3 years ago
6.(02.01 MC)
Luda [366]

Answer:

Attractive forces between particles.

Explanation:

Solids keep its shape and volume because of strong attractive forces between the particles.

Other options are incorrect:

Because there is no space between solid particles.

The shape of solid does not depend upon type of particles present.

The shape and volume of solids not depend upon the volume and shape of container.

Properties of solids:

Solids have definite volume and shape.

In solids molecules are tightly pack and very close to each other.

Their melting and boiling point are every high.

The densities of solids are also very high as compared to the liquid and gas.

There are very strong inter molecular forces are present between solid molecules.

6 0
3 years ago
Discuss inspiration and expiration
Art [367]
Expiration is when food goes bad and idk how to help sorry
5 0
3 years ago
Other questions:
  • In treating alcohol use disorder therapists have clients consume alcohol that contains a nausea-producing drug. this technique i
    5·1 answer
  • A. An phaneritic rock containing about 30% calcium-rich plagioclase feldspar, about
    15·1 answer
  • It is better to grow plants in soil than in sand because soil
    6·2 answers
  • Why do mosquitos need warm temperatures?
    12·2 answers
  • In eukaryotic cells the first step in protein synthesis is the _____.
    9·1 answer
  • T or F Deafness is caused due to rupturing of pinna.
    5·2 answers
  • When it comes to foraging for food, name three ways in which herbivores may partition their niches.
    13·1 answer
  • How is an egg fertilized
    10·2 answers
  • In a forest ecosystem, wolves hunt and eat deer. What would happen to the ecosystem if a large number of wolves were hunted and
    11·2 answers
  • if you were getting ready for hibernation what would you eat monosaccharide, polysaccharide, lipids, or protein
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!