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posledela
3 years ago
6

"12. the chromosomes of some viruses and bacteria are ______ and often ______.

Biology
2 answers:
cestrela7 [59]3 years ago
6 0
I think it is A, im not  sure
scZoUnD [109]3 years ago
3 0

Answer;

c.circular; single stranded


Explanation;

The chromosomes of some viruses and bacteria are circular and often single stranded.

Unlike the linear DNA of most eukaryotes, typical bacterial chromosomes are circular. Most bacterial chromosomes contain a circular DNA molecule – there are no free ends to the DNA.

Similarly some viruses contain circular and single stranded DNA.

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