Which of the following structures is responsible for providing energy for the cell?
What will be an ideal response?
Mitochondrium
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The protein of the bicoid gene in Drosophila determines the _____ of the embryo
A) anterior-posterior axis B) anterior-lateral axis C) posterior-dorsal axis D) posterior-ventral axis
Bioinformatics can be used to scan for short sequences that specify known mRNAs, called _____
A) expressed sequence tags B) multigene families C) proteomes D) short tandem repeats
Refer to Figure 26-2. The process occurring in the cells labeled 2 in the sequence is:
a. fertilization.
b. syngamy.
c. the first meiotic division.
d. the second meiotic division.
e. mitosis.
According to the serial endosymbiosis hypothesis, the ancestors of mitochondria are thought to be
purple bacteria. ____________________ Indicate whether the statement is true or false.