The 9 + 2 pattern is associated with
A. eukaryotic flagella.
B. noneukaryotic flagella.
C. ribosomes.
D. mitochondria.
A. eukaryotic flagella.
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Answer the following statement(s) true (T) or false (F)
1. Plants that sequester heavy metals utilize pressure-flow where they move toxins from the source (soil) to a sink (such as the leaves). 2. A magnesium deficiency would impact the light-independent reactions but not the light-dependent reaction of photosynthesis. 3. A parasitic plant without chlorophyll is likely to lack leaves. 4. A plant with 80 available ATP could produce 10 molecules of NH3. 5. Blocking the proton pumps in a root would result in a more negative membrane potential and an increase in K+ uptake.
Most cases of red-green colorblindness are inherited as an X-linked recessive characteristic. Which of the following are possible if a woman, who is a carrier for colorblindness, has offspring with a male who is colorblind?
a. All their sons will have normal color vision. b. All their sons will be colorblind c. All their daughters will be colorblind. d. All their daughters will have normal vision. e. All of the above are possible.
Which of the following is TRUE of cancer of the penis?
A. It is more common in circumcised men than in uncircumcised men. B. It is thought to be related to the collection of smegma under the foreskin. C. It is the most common cause of death by cancer in men. D. It cannot be treated by surgery or by radiation therapy
Dolly, the cloned sheep, is the product of which technique?
A) human gene transfer B) reproductive cloning C) transformation D) gene therapy