Contact: to feature here

  •  Previous
  • 1
  • 2(current)
  • 3
  • 4
  • 5
  • ...
  • 122
  • Next 
Thread Rating:
  • 2 Vote(s) - 3 Average
  • 1
  • 2
  • 3
  • 4
  • 5
GATE BT-2017 Answer Key | Solutions Discussion
I guess answer is "B" both are correct but its not proper reason.
Q. Find the angle between two vectors: i-j+2k and 2i-j-k
Ans: 80.4
Q: Which amino acid has three ionizable sites?
A. Glycine
B. Leucine
C. Valine
D. Lysine

Ans: Lysine (I guess)
(02-05-2017, 09:45 PM)RONIT SHARMA Wrote: A: Gram -ve bacteria stained by saffranin
R: Gram -ve bacteria has LPS.

I am assuming that the question was regarding 'which of the two is more correct?'. On that ground, It should be B (Gram -ve bacteria have LPS) as it is due this factor that Saffranin can actually stain Gram -ve bacteria (Saffranin being a basic dye attaches well to the highly negative LPS).

How LPS is negatively charged? BCoz it is phosphorylated and it's the P group that confers the negative charge to LPS.

Since it was Assertion and Reasoning, in my opinion, reason is correct.
Sunil Nagpal
MS(Research) Scholar, IIT Delhi (Alumnus)
Advisor for the Biotech Students portal (
Computational Researcher in BioSciences at a leading MNC

Suggested Reads:
Top Biotech Companies | Top places to work
Indian Biotech Companies and Job Openings
Aiming a PhD in Top Grad School? | These are the Important Points to Consider
Careers in Biotechnology | A list of various Options
Biotechnology Competitive Exams in India

Possibly Related Threads...
Last Post
Replies: 92
Views: 17,082
06-19-2017, 05:23 PM
Last Postswarnava
Replies: 0
Views: 402
04-18-2017, 04:41 PM
Last Postsram022
Replies: 29
Views: 6,062
03-21-2017, 07:00 PM
Last Postkashyap.aluru
Replies: 0
Views: 1,084
03-05-2017, 05:51 PM
Last Postcodex
Replies: 18
Views: 10,876
02-14-2017, 01:40 AM
Last Postsj26

Users browsing this thread:
4 Guest(s)

GATE BT-2017 Answer Key | Solutions Discussion32