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
ICE Princess25 [194]
3 years ago
5

through which microscopes were cells first observed? simple microscope, tunneling microscope, compound light microscope, electro

n microscope
Biology
2 answers:
Amiraneli [1.4K]3 years ago
5 0

it is a simple microscope

garik1379 [7]3 years ago
4 0

it is a simple microscope

You might be interested in
Specific gravity is the density of an object compared to water? true or false?
viktelen [127]
False. Specific gravity usually means relative density with respect to water. [ ]
6 0
3 years ago
Which observation about the Rocky Mountains and the Appalachian Mountains would support the claim that exposure of weathering an
Ostrovityanka [42]

Answer:

B: The shorter and more rounded the Appalachian Mountains are more than four times older than the taller and more jagged Rocky Mountains

Explanation:

  • The Appalachian mountains form a system of mountains in eastern North America and are older than rocky mountains as they were formed 480 million years ago and are similar to those of the alps. They form a barrier to the east to the west.
  • They extend to southeast Canada and form zones of 300 miles wide. They form the mountain ranges surrounding hills and the dissected plateaus forming at an elevation of 6,684 meters from the sea level. <u>Whereas the rocky mountains are younger and have an elevation of 4,401 meters.</u>
3 0
3 years ago
An example of a pioneer species is
cricket20 [7]

The right answer is Lichen.

In ecology, a pioneer species is one of the first forms of life that colonize or recolonize a given ecological area.

Lichens are composite organisms resulting from a symbiosis between at least one heterotrophic fungus called mycobionte, representing 90% of all, and microscopic cells with chlorophyll (green algae or cyanobacteria autotrophic for carbon) called "photobionts" .


8 0
3 years ago
Read 2 more answers
This is a model of translation in which the genetic code carried on mRNA is used to assemble amino acids into a polypeptide. A c
Vaselesa [24]

In the model, a codon is identified as part of the mRNA strand. A codon is a series of three nucleotides on mRNA that codes for an amino acid.

mRNA

This is one form of RNA that serves as a template for protein synthesis. It is transcribed from DNA and then translated at ribosomes to produce a protein.


7 0
3 years ago
Read 2 more answers
Independent variable:
Leokris [45]

IV: 4 types of nail polish

DV: brand of nail polish that lasts the longest

Control: nails

Constant: bottom coat and top coat

Experimental Group: Nail polish

Hypothesis: The types of nail polish would eventually chip away after a week .

7 0
3 years ago
Other questions:
  • Staphylococcus aureus, or staph, is a bacteria that is commonly found in the nose and on the skin of humans. While it is typical
    8·2 answers
  • What are two examples of heat or pressure that can form metamorphic rock
    14·2 answers
  • Both euglena (a eukaryote) and cyanobacteria are photosynthetic unicellular organisms found in pond water. The feature that dist
    9·1 answer
  • Jim made this incorrect diagram to represent the order in which four events took place on Earth.. . 1 primitive fish.. 2 primitv
    10·2 answers
  • What is the controversy around stem cells?
    11·2 answers
  • Mrs. b is a 30-year-old african american woman with two children. she is employed at a workplace that does not provide the emplo
    15·2 answers
  • Umm I’m confused on this.?
    5·1 answer
  • The element with atomic number of 4 is
    8·2 answers
  • Which natural forces can weather and erode rock?
    15·2 answers
  • Which of the following is a WATER-SOLUBLE vitamin?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!