People who are intoxicated cannot coordinate their movements or walk a straight line because alcohol disrupts the normal function of which region of the brain?
A) cerebellum
B) cerebrum
C) corpus callosum
D) hypothalamus
E) thalamus
A
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You have isolated and purified a new species of cells from the rain forest and you want to place this new species in the appropriate branch of the tree of life
You sequence the ribosomal RNA genes from these cells and discover that for one particular region of the ribosomal gene (the rRNA) the RNA sequence is AAUGAAGG. You have sequences from the same region of the ribosomal genes (the rRNA) from each of these species: bacteria, eukaryote and archaea, which are listed below. bacteria AUAGAUGG eukaryote AAAGAAGG archaea AAUGGAGU Based on these sequence results to which branch of the tree of life should you assign this new species? A) archaea B) bacteria C) eukaryote D) bacteria and archaea E) there is not enough information
A somatic cell divides to form two genetically identical daughter cells during mitosis. Prior to mitosis, what must
occur?
a. The cell must replicate its DNA. b. The cell must first be fertilized. c. The nucleus must divide. d. Chromatids must be separated. e. The nuclear envelope must disintegrate.
In general, a cell receiving a message undergoes three stages of cell signaling. The stages are ____
a. the paracrine, autocrine, and local stages. b. signal reception, signal transduction, and cellular response c. signal reception, nucleus disintegration, and apoptosis d. signal reception, cellular response, and cell division e. the alpha, beta, and gamma stages
Biology
What will be an ideal response?