An organism made up of many highly specialized kinds of cells that coordinate their activities is a(n)
A. simple multicellular organism.
B. aggregation.
C. colonial organism.
D. complex multicellular organism.
Answer: D
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Which of the following provides the basis for Mendel’s laws of segregation and independent assortment?
a. Meiosis I b. Meiosis II c. Interkinesis d. Cytokinesis
Which of the following features would have helped early plant ancestors evolve to a terrestrial existence?
A. apical cells B. plasmodesmata C. a cuticle D. placenta E. All of these features would have helped.
Which sentence below is correct:
a. Both transcription and translation start at the beginning of the gene. b. Transcription starts on the mRNA at a promoter and translation starts at the 5' end of the mRNA. c. Transcription starts at a promoter on the DNA and translation starts at the start codon on the DNA. d. Transcription starts at the promoter on the DNA and translation starts at the start codon on the mRNA.
In dietary terms, a "complete" protein is one that:
a. can serve in a variety of cellular functions, like as an enzyme, oxygen transporter, etc. b. contains all of the essential amino acids. c. contains carbohydrates, lipids, and nucleic acids as well. d. stays intact as it travels through your digestive system. e. contains all 20 amino acids.