What Takes Place During Prophase I?
What will be an ideal response?
- nuclear membrane & nucleolus
- Chromosomes
- Sister chromatids
- Homologous pairs
- Nuclear membrane and nucleolus disappear
- Chromosomes condense, chromatids turn into Chromosomes?
- Sister chromatids become visible and are connected by centromere
- Chromosomes line up with their homologous pair (Synapsis) and transfer information between one another in a process called Crossing Over
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The equation AB + H2O ? A + B would be catalyzed by which of the following classes of enzymes?
A) oxidoreductases B) transferases C) hydrolases D) ligases E) isomerases
If there is life on another planet within our galaxy, why would we expect to learn that this life would probably use the same narrow range of wavelengths of the electromagnetic spectrum as we do for a source of energy and information?
a. because all life must use the same electromagnetic spectrum by definition b. because of the fundamental aspects of photon energy and light absorption c. because this is the same wavelength that hits the Earth d. because there is no other wavelength available in nature
Microbes within glaciers are ________.
A. dormant B. barophilic C. nonexistent D. active
The human tailbone is an example of a vestigial structure. A vestigial structure is one that is present in an organism but that has a reduced size and little or no function. For example, the human tailbone is tiny and plays no role in balance or locomotion. In contrast, the tailbone in other animals, such as dogs and cats, is prominent and serves a function. Vestigial structures are used to support the theory of evolution. What type of evidence do vestigial structures represent?
A) fossil evidence B) molecular biology C) comparative anatomy D) biogeography