Trypanosomes that cause disease in humans escape destruction by the human immune system because they are resistant to phagocytosis.
Answer the following statement true (T) or false (F)
False
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If your mother and father both have cystic fibrosis, which is caused by a recessive allele, the odds of you having cystic
fibrosis are ____.
a. 1/4 b. 1/2 c. 3/4 d. 1 e. 0
Which of the following is not a feature of a seed?
A. Environmental signals such as light or temperature can trigger germination. B. It contains a protective coat formed from the outer layers of ovule cells. C. It is a complex structure that allows the embryo to be dispersed to distant sites. D. The embryo is surrounded by nutritive tissue or has cotyledons that contain nutritive tissue. E. It contains a large percentage of water to support the embryo.
Suppose that an adult black bear adds 50 pounds of fat in order to survive while hibernating through the winter. Approximately how much glycogen would a bear have to add to achieve a similar feat?
A) 25 pounds B) 50 pounds C) 75 pounds D) 100 pounds
Describe the control in Tibbetts and Izzo's experiment that manipulated the facial pattern and fighting behav-ior of wasps. The results of their experiment are shown below
What will be an ideal response?