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
Degger [83]
3 years ago
9

What is the negative control and positive control in a presumptive blood test?

Biology
1 answer:
gulaghasi [49]3 years ago
6 0

Answer:

Test a known bloodstain as a positive control and a blank (filter paper) as a negative control (see interpretation of results to determine a positive and negative result).

You might be interested in
A cell entering mitosis with a total of 48 chromosomes (24 pairs) will produce two cells, each with a total of __________ chromo
MatroZZZ [7]
Okay so if you divide 4 with 3 you will get 55 so the answer should be 70 
5 0
3 years ago
What might hershy and chase have concluded if they had found 35s instead of 35p in bacterial cells? Explain your answer
kaheart [24]

Hershey and chase have concluded that DNA is not protein it was the genetic material.

Explanation:

Hershey and chase said that DNA is not protein it was the genetic material. They took a direct physical approach in finding the genetic material. They both determined that a protective coat was formed around the bacteriophage.

The internal DNA is not a protein, a genetic material. They used label to find it. The lack of 32p labeled DNA remaining in solution after bacteriohages are allowed to absorb the bacteria showed tha DNA was transferred into the bacterial cell.

The radioactive 35s in the solution shows that protein coat protects the DNA before adsorption.

3 0
3 years ago
Read 2 more answers
What is the name of the structure labeled Fin the diagram below?
coldgirl [10]
That would be the ribosome
Ribosomes are tiny particles that carries RNA molecules.
6 0
3 years ago
Each muscle fiber contains tiny threads called _____, which are made of myosin and actin.
Gwar [14]
Myofibrils are the building blocks or contractile unit of each muscle fiber. The tiniest functional unit of skeletal muscle, the sarcomere, is found in the myofibrils and is made up of protein filaments: actin (thin) and myosin (thick).
7 0
3 years ago
Read 2 more answers
How are glucose and glycogen related?
Setler79 [48]

Answer: c

Explanation:

This stored form of glucose is made up of many connected glucose molecules and is called glycogen

7 0
2 years ago
Other questions:
  • Two heterozygous white (brown fur is recessive) rabbits are crossed
    15·1 answer
  • How is it possible that over 20 million living organisms on the planet are made up of only 5types of nucleotide bases arranged i
    9·1 answer
  • Which is hotter? a white/blue star or a red star?
    7·2 answers
  • What is the main function of the circulatory system in multicellular organisms? to bring oxygen into the lung to put carbon diox
    6·1 answer
  • A 26-year-old patient tells the nurse that the patient is afraid to use the treatment recommended for psoriasis because the pati
    14·1 answer
  • Cold sores are associated with:
    14·1 answer
  • What acts as a source of heat in the mantle and results in mantle convection?
    7·2 answers
  • Where do echinoderms live?
    13·1 answer
  • Which statement about cell membrane is false? A. The cell membrane has 2 layers. B. The outside of the cell membrane is hydrophi
    8·1 answer
  • Information abut traits is stored in the cell nuclues in a molecule called
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!