People often refer to chimpanzees as monkeys. What characteristic(s) do chimpanzees lack that monkeys have?
A. protruding noses
B. a tail
C. nails
D. binocular vision
Answer: B
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Which leaf tissue would be most directly affected by a non-functional rubisco enzyme?
A. cuticle B. mesophyll tissue C. upper epidermis D. lower epidermis E. stoma
Tetralogy of Fallot (TF) is a genetic disorder characterized by four major malformations of the heart. The circulation of blood is abnormal, so TF patients have too little oxygen in their blood. Inadequate oxygen levels result in damaged mitochondrial membranes, which in turn cause cells to self-destruct. In 2004, Sarah Kuruvilla and her colleagues looked at abnormalities in the mitochondria of
heart muscle in TF patients. Some of their results are shown in Figure 7.13 (on previous slide). What conclusion do the data support about mitochondrial abnormalities and levels of oxygen saturation of the blood (SPO2)?
1.Abnormalities in size of mitochondria is not an important factor.
2.Abnormalities in number of mitochondria have a significant impact on SPO2.
3.The combination of broken mitochondria and abnormal numbers of mitochondria causes the lowest levels of SPO2.
4.Younger patients have lower levels of SPO2.
What is the phenotype and genotype of the chicks?
What will be an ideal response?
The digestive tube leading from the mouth to the stomach is the ________.
Fill in the blank(s) with the appropriate word(s).