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lana [24]
3 years ago
7

Sweat on the surface of the skin can cause body odor. true false

Biology
1 answer:
Ainat [17]3 years ago
5 0
I think it's True but I don't know for sure..

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Why do you think adult male crabs have such a large claw? What could be the purpose of it? And can you think of any other animal
Romashka [77]

Answer:

cause they use the small one for feeding and the large one to attract a female crab for mating, the large claws are also used as a weapon

3 0
3 years ago
More objects can be dissolved in water than in sulfuric acid. ice true or false
Gelneren [198K]
True :) Acid cant burn its self. 
6 0
3 years ago
Assume that you have 1 mL of a solution of amylase (an enzyme) at a concentration of 15 mg protein/mL. Calculate the volume of d
lidiya [134]

Answer:

42,5 mL

Explanation:

We need to use the serial dilution formula beacuse we start with a stock concentrate solution and we need to prepare a new less concentrated one.

DF=\frac{Vi}{Vf}

<u>DF in the dilution factor, Vi is the initial volume and Vf is the final volume.</u>

The first step is to have the same measurment unit so we need to convert 345 µg to mg.

we know that 1 µg equals 0,001 g, hence:

345 µg = 0,345 mg

now the final volume is 0,345 mg  protein/ mL and the inital volume is 15mg protein/mL, both of them are in the same unit so we can use the formula

DF= \frac{15mg protein/mL}{0.345mg protein/mL}

DF= 43,5 mg protein/ mL

Now since the question said that we already have 1.0mL of the amylase stock solution we need to subtract that 1.0mL to the 43,5 mg protein/mL

43,5mL-1,0mL = 42,5 mL

So, we need 42,5 mL of diluting buffer if we want a final concentration of 345 µg protein/mL (0.345 mg protein/mL)

8 0
3 years ago
What type of molecule is water?<br>di-polar <br>non-polar <br>polar
MA_775_DIABLO [31]
Its is polar, meaning it has a positive and negetive end
7 0
3 years ago
Read 2 more answers
Please help me with this! *30 *points Picture included
Tcecarenko [31]

Answer:

1.) The first picture is mitochondria and the second picture is chloroplast

2.) The second one is only in plants

3.) The first one is found more commonly in animal cells

4.) Glucose & oxygen goes into #1 and releases ATP energy and water & carbon dioxide (waste) during cellular respiration

5.) Sunlight and water goes into #2 and releases oxygen (waste)

6.) The waste product from mitochondria is what the chloroplast needs to perform photosynthesis and vice versa for mitochondria where the waste product from the chloroplast is what mitochondria needs to make ATP energy

7.) They both have folds and membranes because this is how energy is transferred from one place to another.

Explanation:

8 0
3 years ago
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