it takes a snail to move between two points. A ramp was made, covered with a pie and placed on a table at a 25-degree angle. Two lines, 15 centimeters apart, wer the glass. A snail was placed on the upper line, and a stopwatch was used to m amount of time it took the snail to move to the lower line. The results were recorde table. The investigation was repeated using sandpaper and cardboard on the sur ramp. What must be done to show that the results of this investigation are valid? The ramp must be replaced with a log found in the habitat of the snail. The angle of the ramp must be increased to 35 degrees. The investigation must be repeated several times. The times in the data table must be averaged.

With which objective is it permissible to use the course adjustment knob?

A student using a microscope measured the low power field diameter to be 7.1mm. The student then switched from the low power (4x) objective lens to the medium-power (10x) objective lens. Assuming a 10 x ocular (eyepiece) lens, the medium power field diameter is ____ um  um is micrometers

Use the image to fill out the missing information

could you please identify me the image and explain little bit about it label it how to identify

16.Draw a sketch of the 3 major parts of a mature sperm (spermatozoa) and then describe each part. States) Acrosome Nucleus -Mitochondria Microtubules Description Focus E

how would this be drawn if it was inside the image?

A 30-year-old male patient has arrived in the radiology department for an x-ray of his right fibula. The patient has recently fallen off a roof and his leg is still swollen. The technician is using a digital radiology system to radiograph the patient’s leg. As the films are processed the technician notices a scratch mark on all the films. The technician has been using the same cassette, so she changes cassettes and the scratch marks no longer appear on the film. What caused the films to come out scratched?

Questions 11-14. Melia and Sophie performed a PCR experiment using DNA purified from their phage Zucchinibread. They did a positive control, a negative control, and an experiment using subcluster B1 primers. They ran a 0.8% gel (shown below). 10KB 3Kb 1Kb 0.5Kb FA 1KB DNA Ladder Negative Control Positive Control Phage DNA+ B1 Primers

9270-0980 Rate PR interval Rhythm interpretation 12pt ✓ MEDIDERACE GRAPHIC CONTROLS CORPORATION Paragraph Rhythm QRS interval 3 BUFFALO NEW YORK B I