How is pillow lava evidence of
sea-floor spreading?...
Answers: 1
Biology, 22.06.2019 17:20
Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.
Answers: 3
Biology, 22.06.2019 18:10
Ineed a little . why do you think there is a basic difference between the kinds of fertilization most common in aquatic and terrestrial animals?
Answers: 1
Biology, 22.06.2019 23:30
Which one of the following is true of trnas? a) trnas are double-stranded. b) each trna binds a particular amino acid. c) there are four types of trna. d) trnas carry special sequences known as codons. e) all of the above
Answers: 1
Biology, 23.06.2019 01:00
If all prokaryotes on earth suddenly vanished, which of the following would be the mostlikely and most direct result? a) the number of organisms on earth would decrease by 10—20%.b) human populations would thrive in the absence of disease.c) bacteriophage numbers would dramatically increase.d) the recycling of nutrients would be greatly reduced, at least initially.e) there would be no more pathogens on earth.
Answers: 3
Computers and Technology, 02.12.2019 23:31
History, 02.12.2019 23:31
Mathematics, 02.12.2019 23:31
Mathematics, 02.12.2019 23:31