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Vitek1552 [10]
3 years ago
13

INTRODUCTION TO PLANT PHYSIOLOGY (CPS310/416)

Biology
1 answer:
svetlana [45]3 years ago
5 0

Answer:

Hello

Explanation:

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Functions of courtship behaviour​
VashaNatasha [74]

Answer:

to ensure that the two individuals are of the same species

Explanation:

It also involves stereotyped behaviours. Courtship behaviour informs a potential mate that the intention is breeding and not aggression.

Please give brainliest

4 0
2 years ago
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A certain buffer is made by mixing a weak acid HA and its conjugate base A–. When HA is present at a concentration of 0.5 mM and
MAVERICK [17]

Answer:The ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

Explanation:

The dissociation constant for formic acid = K_a=1.8\times 10^{-4}

Concentration of HA= 0.5 mM

Concentration of A^-= 0.1 mM

pH = 6.16

First we have to calculate the value of K_a.

Using Henderson Hesselbach equation :

pH=pK_a+\log \frac{[A^-}{[HA]}

Now put all the given values in this expression, we get:

6.16=pK_a+\log (\frac{[0.1]}{0.5})

pK_a=6.86

To calculate the ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02.

Using Henderson Hesselbach equation :

7.02=6.86+\log \frac{[A^-]}{[HA]}

7.02=6.86+\log \frac{[A^-]}{[HA]}

\frac{[A^-]}{[HA]}=1.44

\frac{[HA]}{[A^-]}=0.69

Thus the ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

7 0
3 years ago
When you eat a hamburger, you are the: decomposer producer primary consumer secondary consumer tertiary consumer?
gavmur [86]
Tertiary consumer because you have no predators trying to eat you. You are at the top of the food web
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3 years ago
A dog pulls on his leash with 10 N force to the left,but doesn’t move. Identify the reaction Force ?
AnnyKZ [126]
The reaction force exhibited by the leash is 10N
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3 years ago
What is the difference between plant cell and animal cell​
Genrish500 [490]

Answer:

Major structural differences between a plant and an animal cell include: <u>Plant cells have a cell wall, but animal cells do not. Cell walls provide support and give shape to plants. Plant cells have chloroplasts, but animal cells do not.</u>

Explanation:

Hope that helps :)

8 0
3 years ago
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