Most mammals, most cartilaginous fish, some amphibians, and a few reptiles have young developing within the female and obtaining nutrients from her blood, a relationship known as ________.

Fill in the blank(s) with the appropriate word(s).


viviparity

Most mammals, most cartilaginous fish, some amphibians, and a few reptiles have young developing within the female and obtaining nutrients from her blood, a relationship known as viviparity.

Biology & Microbiology

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Match the following items with the correct phrases.

_______1. Phenylethyl alcohol agar and Thayer-Martin agar. _______2. MacConkey agar and mannitol salt agar. _______3. Sabouraud dextrose agar. _______4. Blood agar. a. enriched and differential b. enriched and selective c. selective and differential d. selective only e. differential only

Biology & Microbiology

Hydrogen bonding ____ the movement of molecules, therefore, substances that form a lot of hydrogen bonds, like

water, will require ____ energy to increase their temperature by one degree Celsius.

a. decreases; less b. decreases; more

c. doesn't affect; no additional d. increases; less e. increases; more

Biology & Microbiology

Bacteria methylate their DNA in order to:

a. prepare for DNA replication. b. prepare for mitosis. c. effectively infect other cells. d. protect it from restriction enzymes. e. prevent viral DNA from hybridizing with bacterial DNA.

Biology & Microbiology

All of the following statements are true about seed germination EXCEPT

A. some seeds require fire or bacterial action before germination can occur. B. all seeds require a period of dormancy before germinating. C. in the temperate region, seeds often require a period of cold weather before dormancy is broken. D. fleshy fruits contain inhibitors of germination.

Biology & Microbiology