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
Mamont248 [21]
3 years ago
7

To measure the activity of the human brain during certain thought processes, a short-lived radioactive sugar is injected in the

carotid artery and is utilized by those cells that are most active. This shows up on a PET scan and demonstrates the detection of ___.
Biology
1 answer:
joja [24]3 years ago
8 0

Answer:

The correct answer is: isotopes.

Explanation:

<u>PET scan (positron emission energy) is an imaging technique that is used to help in the diagnosis of a disease by observing metabolic processes in the body.</u>

PET scans, although very expensive, are of great utility in the fields of Oncology, Neurology and Cardiology.

<u>Isotopes are atoms that share the same number of protons and electrons but differ in the number of neutrons. This gives the isotopes different properties than regular atoms.</u> In PET, isotopes are radiotracers used to discern the biologic pathway of any compound.

You might be interested in
Match the term to its definition.
sp2606 [1]

Explanation:

hypothesis is the last one

data is the 3rd one

inference is the 2nd one

and control group is the first one

process of elimination is your best friend

4 0
2 years ago
Lonic compounds form between elements that<br>are metals and elements that are____​
Aleks [24]

Ionic compounds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms. I hope this helps you out.

5 0
3 years ago
Peptidoglycan is the material found in the bacterial that forms a molecular basis of the Gram stain.
neonofarm [45]

Answer:

Gram positive. and gram negative

Explanation:

both are formed

7 0
3 years ago
Read 2 more answers
An example of chemical digestion is the breakdown of __________ into __________.
vodomira [7]
starch into glucose
proteins
into amino acids
lipids
into fatty acids

There are many more examples of chemical digestion which takes place in the body. Chemical digestion is the breaking of larger more complex molecules into smaller, simpler ones that can be taken up by the cells more easily and readily by the use of chemical agents.. Chemical digestion is carried out primarily using biological molecules called enzymes. For example, the breakdown of starch is done by an enzyme known as amylase, which is present in the saliva. 
7 0
3 years ago
The nucleus of a cell contains genetic material and many proteins. The interaction between these proteins and genetic material f
Ann [662]

Answer:

Protein: 3. This folded amino acid chain is genetically encoded and performs specific functions in the cell.

DNA: 1. This series of nucleotides encodes proteins.

Chromatin: 4. This substance is made up of fibers that are formed in the nucleus by supercoiling genetic material.

Histones: 2. These proteins regulate transcription and modifications of genetic material.

5 0
3 years ago
Other questions:
  • When you are carrying a microscope, which of the actions listed below should you do? Check all that apply. Hold the arm with bot
    12·2 answers
  • Which ones are from a hurricane?
    14·1 answer
  • What is the tangled mass of filaments that forms the body of a fungus called
    13·2 answers
  • 1. (1-4) What are the horizontal and vertical lines on a map called?
    14·1 answer
  • Different btween bicuspid and tricuspid
    13·1 answer
  • The offspring of a particular cross are 100 percent heterozygous for tallness. What were the most likely genotypes of the parent
    9·2 answers
  • List the 4 main components that make up the blood
    10·2 answers
  • WILL GIVE BRAINLIEST
    12·1 answer
  • On what basis are minerals divided into groups?
    10·1 answer
  • THE WORLD WITH A THOUSAND MOONS
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!