Which embryonic tissue is incorrectly
associated with its derivative?
a. skin; mesoderm
b. nervous system; ectoderm
c. liver; endoderm
d. circulatory system; mesoderm
e. brain; ectoderm
A
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Areas that receive heavy rainfall tend to have ____ soils, and arid regions tend to have ____ soils
a. acidic; alkaline b. pH-neutral; acidic c. alkaline; acid d. acidic; pH-neutral e. pH-neutral; alkaline
In areas where malaria is endemic, sickle cell disease heterozygote carriers are less fit than individuals
homozygous for the normal allele. Indicate whether the statement is true or false.
Proteins made on ribosomes may be further modified within which organelle?
a. nucleus. b. lysosomes. c. mitochondria. d. Golgi complex. e. peroxisomes
If the DNA of a new discovered organism exhibits genes that are arranged as operons and lacks intron sequences, the hypothesis that this organism is bacterial rather than mammalian would be supported by the evidence.
Answer the following statement true (T) or false (F)