Traits that are controlled by genes located on the X chromosome are said to be ________________.
A. autosomal
B. gametal
C. sex-linked
D. pleiotropic
C. sex-linked
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Stramenopiles are unique in that they possess:
A. double plastids B. hairy flagella C. alveoli D. disk-shaped mitochondrial cristae E. calcium carbonate crystals
Match the following items with the correct phrases.
_______1. Organisms that prefer salty environments are called ____________________. _______2. Organisms that have especially demanding nutritional requirements are called ____________________. _______3. Organisms that prefer environments having decreased concentrations of oxygen are called ____________________. _______4. Organisms that prefer refrigerator temperature are called ____________________. _______5. Organisms that grow best in environments containing increased concentrations of carbon dioxide are called _______________. a. capnophiles b. fastidious organisms c. halophiles d. microaerophiles e. psychrotrophs
The water vascular system is not involved with: a. gas exchange
b. excretion. c. locomotion. d. sensing of light.
A typical long bone has an epiphysis at each end, which can be thought of as
A) yellow bone marrow. B) a cylindrical hollow shaft. C) a tough layer of connective tissue. D) a site of water storage. E) an enlarged knob.