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
Nimfa-mama [501]
3 years ago
9

We breathe more quickly and deeply when we exercise. Why does this make sense? Select all that apply. a) Because when we exercis

e, we hydrolyze more ATP to ADP and Pi, and O2 is necessary for the hydrolysis, so we increase our intake of oxygen. b) Because when we exercise, we consume more CO2 and must increase ventilation to supply the CO2. c) Because when we exercise, we produce more CO2 and increased ventilation is necessary to rid ourselves of CO2.d) Because when we exercise, we use more ATP, and additional O2 is necessary to generate sufficient ATP.
Biology
1 answer:
storchak [24]3 years ago
8 0

Answer:

a) Because when we exercise, we hydrolyze more ATP to ADP and Pi, and O2 is necessary for the hydrolysis, so we increase our intake of oxygen.

c) Because when we exercise, we produce more CO2 and increased ventilation is necessary to rid ourselves of CO2.

d) Because when we exercise, we use more ATP, and additional O2 is necessary to generate sufficient ATP.

Explanation:

During exercise , our body needs more energy in the form of ATP. This ATP comes from break down of food materials in the mitochondria of the cell during cellular respiration. With the addition of oxygen, more ATP is produced during respiration and this ATP is used by the body. With ATP, carbon dioxide is produced as a waste material which can be removed by exhaled out during breathing.

You might be interested in
2. Where is DNA stored in a eukaryotic cell?
Arlecino [84]
DNA (Deoxyribonucleic Acid) is found in the Nucleus hence why it is called the control center of the cell.
7 0
4 years ago
Many biotic factors affect individuals in a population. An example of an organism being directly affected by a biotic factor is
astra-53 [7]

Answer:

an example of an organism being directly affected by a biotic factor is

a wood pecker makes holes in a trees bark and that allows insects into the tree killing it the biotic factors are the wood pecker and the insects the affected organism is the tree

Explanation:

7 0
3 years ago
The bones from an animal found at an archaeological dig have a C614 activity of 0.10 Bq per gram of carbon. The half-life of C61
erastova [34]

C14 is an isotope used in radiocarbon dating techniques to date organic matter remains. The age of these bones is approximately<u> 6890 years.</u>

<h3>What is Carbon 14?</h3>

Carbon 14, also known as radiocarbon, is a radioactive carbon isotope.

Isotopes are the atoms of the same element -carbon- that vary in neutrons and, hence, in their massic number. They are alternative forms of the same element.

The radioactive C14 nucleus contains 6 protons and 8 neutrons and has a half-life of 5730 years.

The term half-life is a reference. It means that an organism that has been dead for 5730 years has half the C14 amount or concentration than the same organism had when it was alive.

Knowing the half-life of an element is useful to determine the age of the dead matter.

C14 is used in radiocarbon dating techniques or methods to estimate the age of fossils. This is a reliable technique used for dating organic samples that are less than 50,000 years old.

<u>Available data</u>:

  • The half-life of C14 is 5730 years
  • Bones activity of 0.10 Bq per gram of carbon

To answer this question we can make use of the following equation

Ln (C14T₁/C14 T₀) = - λ T₁

Where,

  • C14 T₀ ⇒ Amount of carbon in a living body. We know, by bibliography, that living organism activity is 0.23 Bq per gram of carbon. So, C14 T₀ = 0.23 Bq/g
  • C14T₁ ⇒ Amount of carbon in the dead body. C14T₁ = 0.1 Bq/g
  • λ ⇒ radioactive decay constant = (Ln2)/T₀,₅
  • T₀,₅ ⇒ The half-life of carbon 14 = 5730 years
  • T₀ = Time when the organism was alive
  • T₁ = Age of bones

Let us first calculate the radioactive decay constant.

λ = (Ln2)/T₀,₅

λ = 0.693/5730

<u>λ = 0.0001209</u>

Now, let us calculate the first term in the equation

Ln (C14T₁/C14 T₀) = Ln (0.1/0.23) = Ln 0.4347 =<u> - 0.833</u>

Finally, let us replace the terms, clear the equation, and calculate the value of T₁.

Ln (C14T₁/C14 T₀) = - λ T₁

- 0.833 = - 0.0001209 x T₁

T₁ = - 0.833 / - 0.0001209

T₁ =  6889.99 ≅ <u>6890 years</u>

The bones are approximately<u> 6890 years.</u>

You can learn more about dating organic matter with carbon14 at

brainly.com/question/4149380

#SPJ1

6 0
3 years ago
How does a hypothesis help science understand the natural world?
Pachacha [2.7K]
It can help show what people believe or understand about the natural world.
4 0
3 years ago
A cell began with 30 chromosomes. After meiosis, what can you expect?
julia-pushkina [17]

Answer:

Explanation:

Option 4 bescause theres 4 extra cell and they are haploid.

6 0
3 years ago
Other questions:
  • Supertasters are much more sensitive that non-taters to all but which one of the foods listed below?
    8·1 answer
  • A patient's rheumatoid arthritis (RA) has failed to respond appreciably to first-line treatments and the primary care provider h
    9·1 answer
  • Of the 200 to 400 million sperm cells released in a typical ejaculation, approximately how many do you think will reach the ovum
    5·1 answer
  • Help, please! When there is an imbalance in a body system, and the body cannot maintain homeostasis, how might other systems res
    9·1 answer
  • Enzymes speed up chemical reactions. Which statement correctly identifies the function of the enzymes involved in DNA replicatio
    15·1 answer
  • ¿Es beneficioso el trabajo con células madres?
    15·1 answer
  • An experiment wants to see if temperature will change the reaction rate for a chemical reaction. The same size and brand antacid
    8·2 answers
  • Drag the tiles to the correct boxes to complete the pairs.
    10·2 answers
  • Can someone answer these 3 questions for me please???
    8·1 answer
  • There are a number of key enzymes that function in the replication of DNA. Using your book and other resources, identify what th
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!