Biology, 03.08.2019 18:20 leeenaaa95
Tomas had low levels of calcium in his body. vitamin d is essential in maintaining a calcium balance. he started taking vitamin d supplements. because tomas took high doses of vitamin d, the calcium levels in his body increased. which endocrine glands will maintain homeostasis by regulating the increased calcium levels?
Answers: 1
Biology, 22.06.2019 09:30
Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these
Answers: 2
Biology, 22.06.2019 16:30
The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?
Answers: 3
Biology, 22.06.2019 17:10
How would you describe an allele that be expressed and determines an organisms appearance? a.uncapitalized b.responsive c.recessive d.dominant
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
Tomas had low levels of calcium in his body. vitamin d is essential in maintaining a calcium balance...
Mathematics, 06.11.2020 04:00
Mathematics, 06.11.2020 04:00
English, 06.11.2020 04:00
Mathematics, 06.11.2020 04:00
Mathematics, 06.11.2020 04:00
English, 06.11.2020 04:00
Computers and Technology, 06.11.2020 04:00
Chemistry, 06.11.2020 04:00
Mathematics, 06.11.2020 04:00
Geography, 06.11.2020 04:00