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
KatRina [158]
3 years ago
15

What are some presumptive tests for blood?

Biology
1 answer:
luda_lava [24]3 years ago
8 0

Answer:

Luminol, leuchomalachite green, phenolphthalein, Hemastix, Hemident, and Bluestar are all used as presumptive tests for blood. In this study, the tests were subjected to dilute blood (from 1:10,000 to 1:10,000,000), many common household substance, and chemicals.

Explanation:

- Eijiro <3

Welcome to brainly!

You might be interested in
what are the three properties of components of the universe that can be determined using electromagnetic radiation
vodomira [7]
<span>The three properties of components of the universe are frequency,wavelength and Intensity can be determined using electromagnetic radiation.Frequency is defined as the number of cycles per second, and it's unit is Hertz (Hz).Formula is E=hν. Wavelength is the distance of one full cycle of the oscillation.The wavelength related to frequency formula is c=λν.Amplitude is the distance from the maximum vertical displacement of the wave to the middle of the wave. Then amplitude tells about the brightness of the wave.</span>
5 0
3 years ago
Urban diseases and causes of mortality are more likely to be those spread by
astra-53 [7]
Urban diseases and causes or mortality are more likely to be those spread by person to person, crowding. 
4 0
3 years ago
What is the coriolis effect ?
nikitadnepr [17]
Coriolis Effect is defined as an effect whereby a mass moving in a rotating system experiences a force which <span>act perpendicular to the direction of motion and to the axis of its  rotation.</span>
8 0
3 years ago
What is the largest spider in the world?
lawyer [7]
The largest spider is called goliath bird
3 0
3 years ago
A stem growing up and out of the soil, away from gravity is an example of a _______.
Tomtit [17]
<span>A tropism is a movement of an organism toward or away from a stimulus. A positive tropism is when the organism moves toward the stimuli. A negative tropism is when the organism moves away from the stimuli. So, your answer will be negative tropism, since the stem is growing up and out of the soil, AWAY from gravity.</span>
5 0
3 years ago
Other questions:
  • A cell of an organism has four chromosomes. It undergoes a process at the end of which two daughter cells are produced. Each dau
    5·1 answer
  • If a non english speaking patient come to the office without an interpreter what should the medical assistant do
    13·1 answer
  • Why do u think the bird populations decreased sharply after the rattlesnakes were eliminated?
    15·1 answer
  • Which statement correctly describe the difference between meiosis 1 and meosis 2
    7·1 answer
  • What was the source of co2 for this experience?​
    6·1 answer
  • What’s the difference between a cold blooded animal and a warm blooded animal??
    14·2 answers
  • 1. Scientists cannot perform an experiment without first asking questions about the things they observe around them. What was th
    15·1 answer
  • The function of a protein is dependent upon the shape into which the chain of amino acids folds. Many noncovalent interactions a
    12·1 answer
  • Help on this ap biology question pls
    5·1 answer
  • Males do not have follicle-stimulating hormone TRUE OR FALSE
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!