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
jekas [21]
3 years ago
6

21) What is the measure of how high or how low a wave sounds?

Biology
1 answer:
OLga [1]3 years ago
6 0

Answer:

[D] Pitch

Explanation:

The measure of how high or low a sound is called the pitch.

You might be interested in
Pasteur used tipped and untipped sterilized S-shaped flaks of broth in an attempt to​
Natalka [10]

Answer:

Show that life can only come from life (rather than spontaneous generation)

Explanation:

Pasteur boiled a broth in a flask with an S-shaped neck. Thebend in the neck prevented particles from the air reaching the broth, but still allowed air to get in.  No bacteria grew in the flask.  

When the flask neck was broken so that particles could get inside, the broth became cloudy, showing that microorganisms were only able to grow from other living things from the outside, and not spontaneously from nothing

5 0
3 years ago
Please I need help! What effect do enzymes have on biochemical reactions?
Readme [11.4K]

Answer:Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. So enzymes speed up reactions by lowering activation energy

8 0
3 years ago
Botox is often administered in extremely diluted form for a number of medical conditions and to reduce facial lines. It is one o
Burka [1]

Answer:

it is a neurotoxic protein

Explanation:

It effects how the brain carries out daily essential life functions and hinders the medulla oblongata after long enough exposure. Also causes partial paralysis

4 0
4 years ago
How does the electron transport chain active during the Krebs cycle affect the hydrogen ion concentration in a mitochondria
belka [17]
Electron transport trains create a concentration gradient of hydrogen ions outside the mitochondria and fewer inside the mitochondria and creates energy(ATP) by diffusing the hydrogen ions back in
8 0
4 years ago
Glycolysis is a body process which involves: a.the passage of water through a semipermeable membrane b.the division of the nucle
skelet666 [1.2K]
<span>the initial breakdown of glucose to pyruvic acid is the write option.
So i say it is D</span>
7 0
3 years ago
Other questions:
  • Which component is present in some viruses but absent in others
    8·1 answer
  • Why is planting cover crops more sustainable than many traditional methods of farming?
    10·1 answer
  • "A man has a mutation in a mitochondrial gene encoding a subunit of the ATP synthase complex. The mutation leads to a defective
    11·1 answer
  • cockroaches are exposed to a pesticide, after 3 hours 95% of the insects are dead. what is the independent and dependent variabl
    7·1 answer
  • What biomolecules is an enzyme? what is the purpose of enzyme??
    15·1 answer
  • Why don’t all water droplets fall to Earth?
    9·1 answer
  • Match the given bones to their common names.
    7·1 answer
  • Sections of mRNA that are kept and ultimately code for proteins are called:
    8·2 answers
  • are there other tests that could be used to determine if cyclohexanol is present in your product? give at least one test with so
    14·1 answer
  • A missense mutation results in which of the following?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!