Biology, 05.11.2019 05:31 hollisjune3047
Anew bacterial life form is discovered on mars. the meselson and stahl experimental protocol is used to determine the mode of dna replication in this species. the bacteria is grown first in heavy nitrogen (15n) and then switched to 14n, and then centrifuged. it is discovered that dna replicates via the conservative mode of replication in this species. what experimental results led to this conclusion?
Answers: 3
Biology, 21.06.2019 13:30, Hammon1774
Which of the following is not a characteristic of natural selection? 100 points pls more offspring are born than will survive to reproduce. mutations appear randomly breeding pairs are chosen by humans organisms that are better adapted are more likely to survive
Answers: 1
Biology, 21.06.2019 20:00, nisha87
Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle
Answers: 1
Biology, 21.06.2019 21:30, faithchambers15
What is the difference between bacterial infections and viral infections?
Answers: 1
Biology, 22.06.2019 07:30, dobrzenski8372
Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.
Answers: 1
Anew bacterial life form is discovered on mars. the meselson and stahl experimental protocol is used...
Mathematics, 24.07.2019 04:30
Mathematics, 24.07.2019 04:30