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Stells [14]
3 years ago
15

17. In order for oxygen in the inspired air to reach hemoglobin, it must diffuse across all of the

Biology
1 answer:
Brrunno [24]3 years ago
6 0

Answer:

Option E.

In order for oxygen in the inspired air to reach hemoglobin, it must diffuse across all of the  following structures, except: one or two smooth muscle cells.​

Explanation:

  • In the process of oxygen reaching hemoglobin it gets diffused across layer of surfactant,  an endothelial cell, type I pneumocyte, and the plasma membrane of the erythrocyte.
  • The molecule that is responsible for the carrying of oxygen into the blood cells is protein hemoglobin.
  • The normal adult human's blood is the mixture of six different species of hemoglobin molecules. These all molecules consist of same function as well as structure.
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Which component of the thin filament makes the main string of pearls portion of the filament?
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jagged line of protein discs which attach thin filaments from end to end,  trace the boundary where sarcomeres connect, thick  type of smallest muscle unit: composed of staggered arrays of many myosin molecules which interact with actin when calcium is present. 

3 0
3 years ago
Design your own scenario related to Bacteria or Viruses. Identify the independent and dependent variables.
timurjin [86]

Answer:

An experiment where an antibiotic is tested against bacteria. The antibiotic can vary in its concentration for example, different amounts are applied to a sample of bacteria to see if it is affected by the action of the antibiotic and if so, in what concentration. So, the independent variable is the concentration of antibiotic while the dependent variable is the survival (or not) of the bacteria.

Explanation:

An independent variable is a variable that represents a quantity that the scientist modifies in an experiment. A dependent variable represents a quantity whose value depends on how the independent variable is modified. This is the variable being studied and measured.

So, an example of this applied to bacteria or viruses could be:

<u>An experiment where an antibiotic is tested against bacteria</u>. The antibiotic can vary in its concentration, different amounts are applied to a sample of bacteria to see if it is affected by the action of the antibiotic and if so, in what concentration. So, the independent variable is the concentration of antibiotic while the dependent variable is the survival (or not) of the bacteria.

To complete the experiment, an antibiotic whose effect is already known can be used as a positive control. That is, it is already known to kill the bacteria. And as a negative control you can simply use water, which has no effect and is known not to kill the bacteria. In this way, we validate the results and make sure that there is not something else that is affecting the bacteria and that only the antibiotic being studied has an influence.

5 0
2 years ago
Genetics is defined as ___
Vera_Pavlovna [14]
The answer is B) the science of heredity
7 0
3 years ago
PLEASE HELP!!!
diamong [38]
East or west because of the being of north and south which the latitude is on the equator
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Organelles, cells, tissues, organs, and organ systems work together to build, break down, take in, and transport many types of _
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I guess its proteins?? because its needed for building protoplaam
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