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
jeyben [28]
3 years ago
12

What technological advancement was necessary before scientists could begin to observe cells?

Biology
2 answers:
VLD [36.1K]3 years ago
5 0
Yeah thats correctomundo
Lady bird [3.3K]3 years ago
4 0
The microscope. Scientists were able to observe tiny parts of cells since they are not visible to the naked eye.
You might be interested in
Which of these is a benefit of fish farming?
Snezhnost [94]

Answer:

The answer to this would be B

4 0
3 years ago
Read 2 more answers
Some plants have a waxy covering on their leaves. How does the waxy covering help
AVprozaik [17]

Answer:

It helps the plant retain water.

The waxy covering on plant leaves, young stems, and fruit is called the "cuticle". It is composed of cutin, a wax-like material produced by the plant that is chemically a hydroxy fatty acid. The purpose of this covering is to help the plant retain water.

3 0
3 years ago
Read 2 more answers
What type of material has to be present in a rock to use radioactive <br> dating?
nadezda [96]

Carbon content or layer of potassium like sediments is the  type of material has to be present in a rock to use radioactive  dating.

<u>Explanation:</u>

  • Radioactive dating is known to be the process in which the age of fossil fuels and other materials with the help of carbon content in it.  
  • Mostly potassium, uranium, and carbon are used for this type of process. It is a type of process in which the organic material age is determined which are younger about 50 thousand years.  
  • Now as a recent trend there exist a dating method called potassium-argon dating method in which the age of the rocks is found especially.

8 0
3 years ago
A researcher is evaluating the expression of p53 in cells she is culturing in the laboratory. She notices that in a small group
spin [16.1K]

Answer:

p53 gene is an important gene that regulates the proper functioning of the cell. This gene plays an important role in the cell cycle progression and acts as genome guardian.

Any mutation in p53 leads to the formation of the different types of cancer cells. The p53 gene is activated by teh phosphorylation at the particular sites.  High levels of phosphorylated p53 in the cell indicates that the cells DNA is highly damaged and mutated.

7 0
3 years ago
The nurse is performing an assessment on a client who presents with a rash. the client states that the rash is on his back and i
Andre45 [30]
I think assess the client's back visually. 
7 0
3 years ago
Other questions:
  • Describe two ways in which you can have an impact on science.
    6·1 answer
  • The sum of ages of two brothers is 22 years six years ago the product of their ages was 21 years. find the age of the brother
    14·1 answer
  • Select all that apply: Plants and animals are both _____.
    9·2 answers
  • Why are starch and glycogen useful as energy storage molecules while cellulose is useful for structure and support?
    8·1 answer
  • Link the regulation of breathing in humans to the three components of any homeostatic process.
    12·1 answer
  • Please help
    15·1 answer
  • a scientist observing an onion cells and a human cheek under a microscope which observation does she most likely take​
    14·1 answer
  • Cell membrane are located in
    6·1 answer
  • Which of these are features of prokaryotes?
    15·2 answers
  • What is a characteristic shared by the protozoa which are intestinal parasites of humans?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!