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
lesya692 [45]
3 years ago
13

The number of atoms before a reaction is ________ the number of atoms after the reaction.

Biology
1 answer:
nevsk [136]3 years ago
7 0
Matter cannot be created or destroyed. this means that the number of atoms before the reaction has to equal the number of atoms after the reaction.
You might be interested in
A student runs 5 km each afternoon at a slow, leisurely pace. One day, she runs 2km as fast as she can. Afterward, she is winded
Ad libitum [116K]
<h2>Cellular respiration </h2>

Explanation:

  • Cellular respiration is defined as a ATP generating process in which organic molecule is oxidized and inorganic molecule is final electron acceptor
  • Pain experienced in leg muscles is the result of formation of lactic acid in muscle cells
  • Under low oxygen, NADH cannot be reoxidized to NAD+ but NAD+ is required as an electron acceptor to continue glycolysis
  • In lactic acid fermentation pyruvate is the final electron acceptor and converted in lactate
  • Reaction catalyzed by lactate dehydrogenase
  • The pain in her chest is caused from the lack of oxygen she received while running so her chest starts to heavily breathe so that the lungs can receive as much oxygen possible

3 0
3 years ago
What type of chlorophyll does the reaction center contain
LuckyWell [14K]

Answer:

Chlorophyll "a"

Explanation:

The reaction centers of the photosystem have chlorophyll "a" molecules. The chlorophyll "a" that functions as a reaction center for the photosystem II has absorption maxima at 680 nm and therefore, it is called P680. The reaction center of photosystem I also have chlorophyll "a" molecules that have the absorption peak at 700 nm. The chlorophyll "a" molecules serving as reaction centers transfer the photoexcited electrons to a primary acceptor during the light-dependent phase of photosynthesis.

7 0
3 years ago
What is the relationship between natural selection and mutations?
dem82 [27]

Mutation can cause instant adaptation while natural selection is the process by which adaptation occurs over a series of generations.

6 0
3 years ago
What determines the fate of a star? a) The star’s age b) The star's mass c) The star’s position in the galaxy d) The star’s colo
tatyana61 [14]
The Fate are determined by the mass of the star.
So,your answer is <span>b) The star's mass.

Hope this helps :)</span>
7 0
3 years ago
Which of the following correctly lists in order the four stages of food processing in animals? View Available Hint(s) Which of t
Sever21 [200]

Answer:

ingestion, digestion, absorption, elimination

Explanation:

8 0
3 years ago
Other questions:
  • An isotope is a different form of an element.
    8·1 answer
  • Antibodies against myelin in Multiple Sclerosis sometimes cross react with proteins made by what virus?
    7·1 answer
  • During a marathon the runner will lose a lot of water in... what?
    14·1 answer
  • Please Help!
    11·2 answers
  • The amount of sun energy reaching Earth that reflects back into space is about one
    14·1 answer
  • Warming ocean temperatures cause a bleaching event on a coral reef, which becomes degraded. The corals begin to die. In 3–5 sent
    11·1 answer
  • Methanogens, thermophile, and halophiles are some of the most primitive life-forms found on Earth and thrive in very harsh envir
    14·1 answer
  • Help me question is in the picture
    8·1 answer
  • Where do you think milk gets it matter?
    14·2 answers
  • Help pleasee I need this for monday
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!