Biology, 19.12.2019 14:31 jennifermsalzo
Annette observed that if she put salad dressing on her salad in the morning before leaving home, by lunch time she found excess liquid in her container and the greens were wilted. why does this happen? a) condensation from the refrigerator accumulates in the salad container. b) the dressing creates a hypertonic solution around plant cells, which causes water to diffuse out of the cell plasmolysing the cells. c) the dressing creates an isotonic solution around plant cells, which causes water to diffuse into and out of the plant cells making them flaccid. d) the dressing creates a hypotonic solution around plant cells, which causes water to diffuse into the cell creating an increase in turgor pressure
Answers: 1
Biology, 21.06.2019 20:00
After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.
Answers: 3
Biology, 22.06.2019 10:20
The function of the excretory system is to control homeostasis and
Answers: 1
Biology, 22.06.2019 15:30
When an object is moving away from you while still making a sound, the pitch of the sound is perceived to a. lower b. unchanged c. fluctuating d.higher
Answers: 2
Annette observed that if she put salad dressing on her salad in the morning before leaving home, by...
Mathematics, 05.03.2021 01:00
Mathematics, 05.03.2021 01:00
Health, 05.03.2021 01:00
Social Studies, 05.03.2021 01:00
Mathematics, 05.03.2021 01:00
Mathematics, 05.03.2021 01:00
Mathematics, 05.03.2021 01:00
Mathematics, 05.03.2021 01:00
Mathematics, 05.03.2021 01:00
Mathematics, 05.03.2021 01:00