Which of the following statements about bacterial flagella is true?
1. Bacteria can onl...
Biology, 11.02.2020 17:30, lexybellx3
Which of the following statements about bacterial flagella is true?
1. Bacteria can only rotate flagella counterclockwise.
2. Flagella can rotate 360 degrees.
3. Bacteria can only rotate flagella clockwise.
4. Flagella work by undulating.
Answers: 3
Biology, 21.06.2019 22:00, amf14
Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.
Answers: 2
Biology, 22.06.2019 13:00, am2garcia5
14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.
Answers: 2
Biology, 22.06.2019 13:30, shaniqwakirkseyniqwa
What is used as a template during replication? a- mrna b- trna c- rrna d- dna
Answers: 1
English, 19.07.2019 15:30
English, 19.07.2019 15:30
English, 19.07.2019 15:30
English, 19.07.2019 15:30
English, 19.07.2019 15:30