Which term describes the relatively constant internal physical conditions of an organism?(1 point) Responses cell specialization cell specialization unicellularity unicellularity homeostasis homeostasis organ system organ system
Which of the following is an example of an organ?(1 point) Responses digestive system digestive system nerve cell nerve cell epithelial tissue epithelial tissue heart
heart
A group of similar cells that perform a particular function is called(1 point) Responses a tissue. a tissue. an organ. an organ. a division of labor. a division of labor. an organ system. an organ system.
a tissue.
Amino acids link together by peptide bonds to form proteins. In which cellular organelle would this process occur?(1 point) Responses Nucleus Nucleus Mitochondria Mitochondria Chloroplast Chloroplast Ribosome Ribosome
Ribosome
Which shows the correct sequence of steps for protein synthesis to occur?(1 point) Responses DNA🡪mRNA🡪tRNA DNA🡪mRNA🡪tRNA DNA🡪rRNA🡪mRNA DNA🡪rRNA🡪mRNA DNA🡪tRNA🡪mRNA DNA🡪tRNA🡪mRNA mRNA🡪DNA🡪tRNA
DNA🡪mRNA🡪tRNA
Genetic information usually flows in one specific direction. Which of the following best represents this flow?(1 point) Responses DNA → RNA → Protein DNA → RNA → Protein Protein → RNA → DNA Protein → RNA → DNA DNA → Protein → RNA DNA → Protein → RNA RNA → Protein → DNA
