Which of the features listed below is not found in all cells?
A) Cytoplasmic membrane
B) Ribosomes
C) DNA
D) Nucleus
Ans: D) Nucleus
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Which of the following represents the correct order of evolution of requirements for complex multicellularity in animals?
A. adhesion, cell signaling, gap junctions, bulk transport B. adhesion, gap junctions, cell signaling, bulk transport C. gap junctions, cell signaling, adhesion, bulk transport D. bulk transport, adhesion, gap junctions, cell signaling
Biological evolution occurs in ____ when specific processes cause genomes of organisms to differ from those of their
ancestors
a. individuals b. populations c. communities d. phenotypes e. genotypes
The hormone oxytocin affects __________ in many
mammals. a. labor and delivery b. lactation c. pair bonding d. maternal behavior e. all of these
The male organ of sexual intercourse is called the ________
Fill in the blank(s) with the appropriate word(s)