Which observation proves that a cell is eukaryote

A) it has organelles enclosed in membranes

B) it has a cytoskeleton

C) it has a cell membrane

D) it has organelles floating in cytosol

Cerebellar circuitry coordinates behavior by a. inhibiting in appropriate muscle groups b. disinhibiting appropriate muscle groups c. responding to changes in head tilt, or posture and muscle disposition d. all of the above e. none of the above

Jane had leukemia as a child and had to undergo numerous bouts of chemotherapy. she had associated the waiting room with nausea. now 35 years old, she had to take her mother to the same hospital for breast cancer treatment.

In classical conditioning a stimulus that does not bring about a response

The north and the south of each have long periods of complete sunlight in complete darkness why

According to the Big Bang theory, what must the universe have been like when it began? Select all that apply. A. hot B. cool C. dense D. as it is today E. 3 K in temperature F. filled with microwave radiation

Why malarial concepts called hypothesis?

What would likely have happen to earth if no icy debris had arrived

What is an example of temporal isolation? A. flowers that bloom in different months B. birds that have different mating calls C. fruit flies that mate in different locations D. squirrels that have different fur colors

The leg amputation is likely to involve

Which of the following is an example of an emergent property? Sunlight is absorbed by pigments within plant leaves. The DNA backbone contains sugar groups and phosphate groups.