Which of the following is an example of a positive feedback?
a. a low level of oxygen in the...
Biology, 22.09.2019 05:30 nehemiahw7020
Which of the following is an example of a positive feedback?
a. a low level of oxygen in the blood triggers production of red blood cells, which transport oxygen. b. an increase in blood sugar level stimulates the pancreas to secrete insulin, which lowers blood sugar level. c. a tear in the lining of a blood vessel triggers the accumulation of blood platelets, which cause blood to clot.
Answers: 1
Biology, 22.06.2019 06:10
The normal shape of an enzyme is as shown in structure a. if the enzymeโs shape changes to that shown in structure b, what are two consequences of this change?
Answers: 1
Biology, 22.06.2019 10:00
Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
Answers: 2
Biology, 22.06.2019 12:30
The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is
Answers: 1
English, 30.05.2020 22:59
Mathematics, 30.05.2020 22:59
Mathematics, 30.05.2020 22:59
Engineering, 30.05.2020 22:59
Mathematics, 30.05.2020 22:59
History, 30.05.2020 22:59
Mathematics, 30.05.2020 22:59