Nucleic acid hybridization is based on the fact that
A) the strands of DNA can be separated.
B) a chromosome is composed of complementary strands.
C) pairing between complementary bases occurs.
D) DNA is composed of genes.
E) all cells have DNA.
C
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On Easter Island in the Pacific Ocean, from
original population of 100 humans the population rose to around 3000. In time, the entire island was under cultivation and eventually the soils became so over cultivated that crops could no longer be grown. People started dying from starvation and disease. This Easter Island population had exceeded its
a. density-independent factors. b. biotic potential. c. logistic growth. d. carrying capacity. e. opportunistic life history
The midbrain includes the
a. thalamus. b. fissure of Rolando. c. tectum. d. medulla oblongata. e. olfactory lobes.
________ competition results when nonterritorial behavioral interactions between two species result in negative effects on both species
Fill in the blank(s) with correct word
Chlorophyll and accessory photosynthetic pigments are associated with the:a
stroma. b. thylakoid membranes. c. mesophyll membranes. d. light reaction centers of the stroma lamellae. e. stroma grana.