1) False. Scientists may predict something but realize a difference soon after before the test, so they could definitely change the hypothesis if they want. It’s only AFTER the experiment they cannot. Because a hypothesis is like a “guess” as to what’s going to happen, right?
2) False. A hypothesis can’t be “valid” because it’s literally a prediction.
3) True. Especially if you’re doing a chemistry lab, it’s really important things are done in order or else the product might result as something else you were expecting, or can be very dANGEROUS
4) True. The conclusion must be based on data because it’s the observation that was seen.
Hope this helps!! I could have answered in short form but I just wanted to make them understandable:)
Answer:
(1) digestion with restriction enzyme,
(2) electrophoresis,
(3) Southern blotting,
(4) hybridization with a radioactive probe,
(5) process with X-ray film.
Explanation:
DNA typing is the forensic analysis of genetic information from a biological sample as an aid to identification.
Answer:
i asked my bro and he just stared at me like "o>O" they do because theres air in there maybe? LOL
Explanation:
