Physics, 01.12.2020 21:50 cowboo5000pcl655
Which of the following best explains the movement of DNA during gel electrophoresis?
A. Since restriction enzymes cut DNA into differently sized pieces, polymerase is able to move the fragments through the gel.
B. Since polymerase enzymes cut DNA into differently sized pieces, restriction enzymes are able to move the fragments through the gel.
C. Since DNA is positively charged it attracts toward the negative end of the gel plate.
D. Since DNA is negatively charged it attracts toward the positive end of the gel plate.
Answers: 3
Physics, 22.06.2019 02:40
If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability
Answers: 1
Physics, 22.06.2019 03:50
A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c
Answers: 3
Physics, 22.06.2019 12:00
Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.
Answers: 1
Physics, 22.06.2019 21:00
The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?
Answers: 1
Which of the following best explains the movement of DNA during gel electrophoresis?
A. Since restr...
Mathematics, 08.04.2021 14:00
Chemistry, 08.04.2021 14:00
History, 08.04.2021 14:00
English, 08.04.2021 14:00
Social Studies, 08.04.2021 14:00
Mathematics, 08.04.2021 14:00
English, 08.04.2021 14:00