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ddd [48]
1 year ago
10

Match these items.

Biology
1 answer:
lozanna [386]1 year ago
5 0

The correct matching is as follows:

  • Veins - bring blood to the heart
  • Aorta - major artery bringing blood from the heart to the body
  • Valve - doorways to the heart
  • Pulse - measure of the rate of heart contractions
  • Ventricles - heart passageway to the arteries
  • Atrium - passage to the ventricle

<h3>What are blood vessels?</h3>

Blood vessels are those vessels a re tubes in which blood in the body flows.

The blood vessels of the body include, veins, arteries and capillaries. Larger blood vessels include the aorta

The correct matching is as follows:

  • Veins - bring blood to the heart
  • Aorta - major artery bringing blood from the heart to the body
  • Valve - doorways to the heart
  • Pulse - measure of the rate of heart contractions
  • Ventricles - heart passageway to the arteries
  • Atrium - passage to the ventricle

In conclusion, blood vessels transport blood throughout the body.

Learn more about blood vessels at: brainly.com/question/64497

#SPJ1

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Two solutions will be prepared with the mixture of distilled water and stock solution of KMnO4 (10 mM). Give the correct volumes
Yanka [14]

Answer:

See the answer below

Explanation:

<em>Recall that the law of dilution states that the number of moles before dilution must be equal to the number of moles after dilution.</em>

Mathematically,

     molarity x number of moles before dilution = molarity x number of moles after dilution.

For solution A: final molarity = 3 mM, final volume = 2mL, initial molarity of KMnO4 = 10 mM

Applying the equation:

    10 x initial volume = 3 x 2

        initial volume = 6/10 = 0.6

<u>Hence, Tube A should be made with 0.6 mL of 10 mM KMnO4 stock and  1.4 mL of distilled water to give a solution of 2 mL 3 mM KMnO4.</u>

For solution B:final molarity = 8 mM, final volume = 2 mL, initial molarity = 10 mM

    10 x initial volume = 8 x 2

       initial volume = 16/10 = 1.6

<u>Hence, Tube B should be made with 1.6 mL of 10 mM KMnO4 stock and 0.4 mL of distilled water to give a solution of 2 mL 8mM KMnO4. </u>

7 0
3 years ago
Which would be more likely to carry out endocytosis: a white blood cell engulfing foreign materials or a cell that excretes horm
Irina-Kira [14]

A white blood cell engulfing foreign materials is more likely to carry out Endocytosis.

Explanation:

  • Endocytosis is the process by which a cell takes up a macromolecule into is cytoplasm by forming a vessicle.
  • In the question two cases are given, both the cases involve the formation of membrane bound  vessicle but in different ways.
  • The excretion of hormones involves the movement of molecule outside the cytoplasm. This process is exocytosis.
  • The engulfment of an antigen by WBC involves taking up of molecule within the cell so that it can be killed and digested. Thus in  this case  Endocytosis is more likely to occur..
4 0
3 years ago
Membrane proteins are not soluble in water solutions. To purify and crystallize membrane proteins, the proteins need to be disso
katrin2010 [14]

Answer:

Detergents are knows as a class of molecules whose having unique properties to enable formation of hydrophobic-hydrophilic interaction among molecules in membrane. This unique property of detergents are used to dissolve membrane protein in water solution or in any solution.

Detergents are used to lyse cells, solubilize membrane lipids, and proteins, prevent protein crystalization, and nonspecific binding.

7 0
3 years ago
2. Organize: Compare the colors of the following stars in the Star collection: Aldebaran,
Nata [24]

The colors for the stars are red, white, blue-white, white, and blue, and their temperature are 3,910 K, 3,500 K, 25,200 K, 22,400K, 5,780K, 9,600 K.

<h3>What is a star?</h3>

A star is a type of celestial body that can be set apart from others because it shines due to inner radiation. Moreover, stars are classified by:

  • Color
  • Size
  • Location
  • Temperature
  • Age

Now, let's identify the color and temperature of the stars:

  • Aldebaran: This star has a temperature of 3,910 K and its color is red.
  • Betelgeuse: This star has a temperature of 3,500 K and its color is red.
  • Sirius B: This star has a temperature of 25,200 K and its color is white.
  • Spica: This star has a temperature of 22,400K and it is a blue-white star.
  • The Sun: This star has a temperature of 5,780K and its color is white.
  • Vega:  This star has a temperature of 9,600 K and it is a blue star.

Learn more about stars in: brainly.com/question/2166533

8 0
2 years ago
Where does the gastric juice go
Lena [83]
It goes to the pancreas
7 0
3 years ago
Read 2 more answers
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