Biology
Which chromosomes are identical to each other on the basis of their morphology ,position of centromere and other characteristics?

Autosome chromosomes
Homologous chromosomes
Heterozygous chromosomes
Sex chromosomes

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Biology
One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?

You are infected by a virus
You need an antiseptic, not an antibiotic
Having waited a day, it is too late to take an antibiotic
You need to be vaccinated instead of taking an antibiotic

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