One of the DNA-binding motifs in many eukaryotic organisms that contains a nearly identical sequence of 60 amino acids is known as the
A. non-helical zipper.
B. leucine zipper.
C. zinc finger.
D. homeodomain.
E. helix-turn-helix.
D. homeodomain.
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What is it called when members of the same species vie for the same resources?
a. interspecific competition b. predation c. intraspecific competition d. commensalism
61. In order for a milk protein to be secreted in mammals, these events must happen in the correct organelle function sequence.
A. DNA transcription in the nucleus-passage of mRNA to the Golgi apparatus; translation of mRNA by the ribosome-conversion of mRNA to proteins by the cytoskeleton B. attached to the smooth endoplasmic reticulum C. DNA transcription in the nucleus-attaching and moving mRNA with cytoskeleton; translation to build proteins in the smooth endoplasmic reticulum-secrete the milk proteins from the cell D. DNA transcription in the nucleus-passage of mRNA out of nucleus; translation of mRNA by the ribosome-packaging of proteins by the endoplasmic reticulum E. production of proteins in the nucleus-passage of proteins through the endoplasmic reticulum; packaging of proteins in the Golgi apparatus; activation of the proteins by the mitochondrion
Which of the following will you be using to observe mitosis?
A male gamete is called a(n) __________ and a female gamete is called a(n) __________.
Fill in the blank(s) with the appropriate word(s).