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joja [24]
3 years ago
12

(True or false) The blood carries hormones to target tissues around the body so the hormones can control the activity of those c

ells
Chemistry
2 answers:
AlladinOne [14]3 years ago
8 0

Answer:

True

Explanation:

wel3 years ago
3 0

Answer:

True

Explanation:

Hormones  are chemical messengers secreted into blood or extracellular fluid by one cell that affect the functioning of other cells. Most hormones circulate in blood, coming into contact with essentially all cells. However, a given hormone usually affects only a limited number of cells, which are called target cells.

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podryga [215]
Both eggs would be born but they would not be twins because twins are produced by one egg
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3 years ago
Using the arrangement of the periodic table, which elements are the most similar to phosphorus in properties?
Nana76 [90]

Answer:

Nitrogen and Arsenic

Explanation:

Since Phosphorous and Arsenic both are Nitrogen group elements i.e. Group(Va)

6 0
4 years ago
PLEASE HELP THIS IS WORTH 13 POINTS
inysia [295]

Answer:

The chemical reaction is a Double Displacement

Explanation:

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6 0
3 years ago
The amount of I₃⁻(aq) in a solution can be determined by titration with a solution containing a known concentration of S₂O₂⁻³(aq
puteri [66]

Answer: 0.22 M

Explanation:

2S_2O_3^{2-}(aq)+I_3^-\rightarrow S_4O_6^{2-}(aq)+3I^-(aq)

Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.

Molarity=\frac{moles}{\text {Volume in L}}

moles of Na_2S_2O_3=Molarity\times {\text {Volume in L}}=0.440\times 0.025=0.011moles

Na_2S_2O_3\rightarrow 2Na^+S_2O_3^{2-}

Thus moles of S_2O_3^{2-} = 0.011

According to stoichiometry:  

2 moles of S_2O_3^{2-}(aq) require 1 mole of I_3^

Thus 0.011 moles of S_2O_3^{2-}(aq) require=\frac{1}{2}\times 0.011=5.5\times 10^{-3} moles of I_3^-

Thus Molarity of I_3^-=\frac{5.5\times 10^{-3}}{0.025L}=0.22M

Therefore, the molarity of I_3^- in the solution is 0.22 M

5 0
3 years ago
Which of the following is the preferred degree for a seismologist?
Sedbober [7]
<em>A seismologist is a scientist who does research in </em><span><em>seismology or history Which is same as <u>Geoscience</u>.</em></span><em></em>
5 0
3 years ago
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