subject
Biology, 25.08.2019 19:10 rogersdanny7347

In the 1950s, what discovery revolutionized biotechnology?
cloning sheep
using electrons for microscopes
splicing genes
molecular structure of dna

ansver
Answers: 2

Another question on Biology

question
Biology, 21.06.2019 20:00
How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex
Answers: 2
question
Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
question
Biology, 22.06.2019 04:10
How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.
Answers: 1
question
Biology, 22.06.2019 08:50
What does the positioning of transcription factors determine?
Answers: 1
You know the right answer?
In the 1950s, what discovery revolutionized biotechnology?
cloning sheep
using electron...
Questions
question
Mathematics, 20.05.2021 18:40
question
Biology, 20.05.2021 18:40
question
History, 20.05.2021 18:40
question
Mathematics, 20.05.2021 18:40
question
Mathematics, 20.05.2021 18:40
question
Arts, 20.05.2021 18:40
Questions on the website: 13722367