13. Normal heart rate at sea level is
bpm...
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 20.06.2019 18:02
A50-ml crude extract of skeletal muscle contains 32 mg of protein per ml. ten μl of the extract catalyzes a reaction at a rate of 0.14 μmol product formed per minute. the extract was fractionated by ammonium sulfate precipitation, and the fraction precipitating between 20% and 40% saturation was redissolved in10 ml. this solution contains 50 mg/ml protein. ten μl of this purifi ed fraction catalyzes the reaction at a rate of 0.65 μmol/min. (a) what is the degree of purifi cation (fold purifi cation)? (b) what is the percent yield of the enzyme recovered in the purifi ed fraction?
Answers: 3
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:50
Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 14:00
Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 04.07.2019 00:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 04.07.2019 00:30
![question](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 00:30
![question](/tpl/images/cats/health.png)
Health, 04.07.2019 00:30
![question](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 00:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.07.2019 00:30
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.07.2019 00:30
![question](/tpl/images/cats/istoriya.png)
History, 04.07.2019 00:30
![question](/tpl/images/cats/istoriya.png)
History, 04.07.2019 00:30
![question](/tpl/images/cats/istoriya.png)
History, 04.07.2019 00:30