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

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

The water vascular system is not involved with: a. gas exchange

b. excretion. c. locomotion. d. sensing of light.

Biology & Microbiology

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.

Biology & Microbiology