Within a chromosomal sequence of a dog, a researcher identifies a block of base pairs with very similar GC content. This observation is likely the result of:
a. horizontal gene transfer.
b. replication errors.
c. centromeres.
d. gene duplication.
e. This is unknown.
E
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Using the figure Below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
14) Label N: ______________________________
15) Label O: ______________________________
16) Label P: ______________________________
17) Label Q: ______________________________
18) Label R: ______________________________
19) Label S: ______________________________
20) Label T: ______________________________
21) Label U: ______________________________
22) Label V: ______________________________
23) Label W: ______________________________
24) Label X: ______________________________
25) Label Y: ______________________________
26) Label Z: ______________________________
27) Label AA:______________________________
28) Label BB: ______________________________
29) Label CC: ______________________________
Life history adaptations of ___________ populations are characterized by an early age of first reproduction and short maturation time and life span.
A. r-selected B. K-selected
Refer t o the figure. Initially, in terms of tonicity, the solution in side A with respect to the solution in side B is _____
A) hypotonic B) isotonic C) saturated D) hypertonic
The process of germination begins with ____.
A. one sperm cell fusing with an egg B. one sperm cell fusing with the central cell C. pollen landing on a stigma D. water soaking into soil E. water seeping into a seed