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blondinia [14]
3 years ago
15

Which factors most influence whether a person will develop Alzheimer's disease?

Biology
1 answer:
Cloud [144]3 years ago
8 0

Answer:

Hereditary transmission of the defected genes to the offspring.

Explanation:

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1.______ from the sun is transferred to_____ surface. some of that energy is then _____
Roman55 [17]

Answer:

This is going by the number of blanks there are from the beginning

1.Energy

2. Earths

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Please give me Brainliest!

4 0
3 years ago
16. The goals of biodiversity conservation include all of the following EXCEPT (1 point) protecting individual species. introduc
ludmilkaskok [199]
The best answer is: introducing exotic species into <span> new environments. This can be actually bad, as new species can actually reduce the biodiversity in the environments to which they're introduced</span> , such when cats hunt indigenous birds.

I was a bit thinking about the last option too: making sure local people benefit from conservation efforts. This is not one of the classical goals of the conservation efforts, but since the previous one is definitely correct, i don't this one is. (it's not that it's not a goal, but it isn't a main focus)
4 0
3 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
A bird fluffs its feathers to trap body heat to keep warm during winter months. This is an example of
Llana [10]
Homeostasis, because once the bird body temperature starts to overheat, it's body and mind work together to lower that body temperature down to normal
3 0
3 years ago
The number of __________ is most likely to rise during an infection.
Minchanka [31]
Your number of leukocytes are most likely going to rise since these are the white blood cells that help you fight off infection, disease, and bad bacteria.
5 0
3 years ago
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