Compare the structures of animal and plant cells. How are they different? How are they the same?
What will be an ideal response?
ANSWER: Both animal and plant cells have a plasma membrane, nucleus, mitochondria, endoplasmic
reticulum, ribosomes, and Golgi complex. Animal cells, however, do not have a cell wall,
central vacuole, or chloroplasts, which are present in plant cells.
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You cross a true-breeding stock of black BB. mice with skinny (SS) toes to a stock of white bb. mice with fat (ss) toes. From this, you produce an F1 generation of black mice with skinny toes (Bb, Ss)
If the single genes responsible for coat color and toe appearance do not sort independently, then you would expect to see: A. more than 75% of your F2 black mice with skinny toes. B. more than 25% of your F2 black mice with fat toes.
In the process of biological evolution, new species may evolve through exchange of genes from one species to another. This process is called
In the process of biological evolution, new species may evolve through exchange of genes from one species to another. This process is called
Which of the following is NOT characteristic of
slow- twitch muscle fibers? a. pale color b. many mitochondria c. form ATP only by aerobic respiration d. operate during marathon runs e. found in abundance in migrating ducks
The voice box is also known as the ____
a. pharynx b. trachea c. bronchus d. larynx e. epiglottis