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max2010maxim [7]
3 years ago
5

Air pressure is ___________, when lung volume is___________.

Biology
1 answer:
zimovet [89]3 years ago
3 0
I think the answer is C Air pressure is lowest when lung volume is constant. Having high air pressure isn't good for the lungs. 
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A spring was at its resting position where it is attached to a wall at its left side and a block at its right side as shown belo
gladu [14]

Answer:

The force of spring will be "3.75 N". The further explanation is given below.

Explanation:

The given values are:

Spring constant, K = 75.0 N/m

x₁ = 0.200 m

x₂ = 0.150 m

So that,

⇒ x=x_{1}-x_{2}

⇒    =0.200-0.15

⇒    =0.05 \ m

Now,

Force of spring will be:

⇒  F=K\times x

On putting the estimated values, we get

⇒      =75\times 0.05

⇒      =3.75 \ N

3 0
3 years ago
DUE TUESDAY WILL MARK BRAINLIEST-breathing is required for cellular respiration. use the reactants, products and stages of cellu
vova2212 [387]

Explanation:

Breathing, is necessary as it repleneshes oxygen in cells; it also expels CO2 and water vapor, which are waste products from cellular respiration.

Further Explanation:

In all eukaryotic cells mitochondria are small cellular organelles bound by membranes, these make most of the chemical energy required for powering the biochemical reactions within the cell. This chemical energy is stored within the molecule ATP which is produced. Respiration in the mitochondria utilizes oxygen for the production of ATP in the Krebs’ or Citric acid cycle via the oxidization of pyruvate (through the process of glycolysis in the cytoplasm).

overall: C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≈38 ATP

Oxidative phosphorylation describes a process in which the NADH and FADH2 made in previous steps of respiration process give up electrons in the electron transport chain these are converted it to their previous forms, NADH+ and FAD. Electrons continue to move down the chain the energy they release is used in pumping protons out of the matrix of the mitochondria.

This forms a gradient where there is a differential in the number of protons on either side of the membrane the protons flow or re-enter the matrix through the enzyme ATP synthase, which makes the energy storage molecules of ATP from the reduction of ADP.  At the end of the electron transport, three molecules of oxygen accept electrons and protons to form molecules of water. For a breakdown of each:

  • Glycolysis: occurs in the cytoplasm 2 molecules of ATP are used to cleave glucose into 2 pyruvates,  4 ATP and 2 electron carrying NADH molecules.
  • The Kreb's cycle: in the mitochondrial matrix- 6 molecules of CO2 are produced by combining oxygen and the carbon within pyruvate,  2 ATP oxygen molecules, 8 NADH and 2 FADH2.
  • The electron transport chain, ETC: in the inner mitochondrial membrane, 34 ATP, electrons combine with H+ split from 10 NADH, 4 FADH2,  renewing the number of electron acceptors and 3 oxygen; this forms 6 H2O, 10 NAD+, 4 FAD.

Learn more about cellular life at brainly.com/question/11259903

Learn more about cellular respiration at brainly.com/question/11203046

#LearnWithBrainly

7 0
3 years ago
How can trees affect weathering and erosion?
shusha [124]

Answer:

Trees reduce the rate of erosion

Explanation:

Trees reduce the rate of erosion by: protecting the soil from the impact of rain. transpiring large amounts of water, which counteracts very wet soil. binding soil to sloping land with their roots

3 0
4 years ago
What problems can an algal bloom cause in an ocean?
AysviL [449]
Water cause increase growthpf algal bloomand green plants
6 0
4 years ago
Which statement best describes the relationship between photosynthesis and cellular respiration
grandymaker [24]

Answer:

Photosynthesis removes carbon from the atmosphere, and cellular respiration releases carbon from the atmosphere

Explanation:

This is the role of the reactions in the carbon cycle.

8 0
3 years ago
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