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
sergeinik [125]
3 years ago
5

How is pH measured?

Biology
1 answer:
kolbaska11 [484]3 years ago
3 0
A. it is based on a scale of 0 to 14
You might be interested in
All volcanoes have at least one vent, or opening. Which of the following does not erupt through volcanic vents?
Lelu [443]
B.Liquid Water
Explanation: lava gushes out ashes go up and gases when it erupts only water does not erupt.
5 0
3 years ago
What does the competitive exclusion principle state?
Artyom0805 [142]

In ecology, the competitive exclusion principle, sometimes referred to as Gause's law of competitive exclusion or just Gause's law, is a proposition that states that two species competing for the same resource cannot coexist at constant population values, if other ecological factors remain constant.

3 0
4 years ago
A different DNA ladder from NEB (Cat #N3200L) comes as 500 uL of a 1000 ug/mL solution and is not pre-mixed with the 6 X DNA loa
JulijaS [17]

Answer:

4 ul Loading Buffer + 19.70 ul dH2O + 0.30 ul DNA Ladder

Load 12 ul on the gel.

Explanation:

DNA Ladder concentration = 1000 ug/ml

1000 ug DNA in 1 ml DNA Ladder solution →    150 ng DNA = 0.15 ug DNA in..... 0.00015 ml = 0.15 ul DNA Ladder solution

6x DNA Loading Buffer → it has to be diluted by an equal volume 6 times (1 ul LB + 1 ul distilled H2O)

An appropriate volume to load on an average agarose gel is 12 ul, so:

2 ul Loading Buffer + 9.85 ul dH2O + 0.15 ul DNA Ladder = 12 ul

But since 0.15 ul is a very small volume and mistakes could be made while measuring it, let's make double:

4 ul Loading Buffer + 19.70 ul dH2O + 0.30 ul DNA Ladder = 24 ul

And load half of that solution (12 ul) on the gel.

5 0
3 years ago
Juan received a class assignment to write about organisms that live in extreme environments. While doing research online, he fou
earnstyle [38]

Answer:

D. archea

Explanation:

8 0
2 years ago
What are antibiotics and when can they not be used
miv72 [106K]

Answer:

An antibiotic is a type of antimicrobial substance active against bacteria. It is the most important type of antibacterial agent for fighting bacterial infections, and antibiotic medications are widely used in the treatment and prevention of such infections. They may either kill or inhibit the growth of bacteria. Antibiotics DO NOT work on viruses, such as those that cause: Colds and runny noses, even if the mucus is thick, yellow, or green. Most sore throats (except strep throat) Flu.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Which region of the Sun has a temperature of about 15 million C?
    5·2 answers
  • What is the role of spindle fibers in mitosis
    13·2 answers
  • A habitat is best described as _____.
    14·2 answers
  • Beyond their role in energy transfer, what other benefit do microorganisms that act as producers provide for ecosystems
    5·1 answer
  • help plss! What is metabolism? Provide a real-life example of metabolism to support your description.
    15·2 answers
  • the mississippi river carries tons of tiny rock fragments called sediments into the gulf of mexico. what do you think will happe
    8·1 answer
  • Will mark brainliest
    9·2 answers
  • Compression of mortality is the extent to which an organ can preserve essentially normal function despite decreasing cell number
    14·1 answer
  • Can you find any pictures of crocodiles becoming friends with another animal? Brainliest will be given out btw (Here is an examp
    15·1 answer
  • Conservation biologist are cncern about the shrinking population sizes of many species because the smaller a population is the m
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!