Allele that exerts its phenotypic effect in the heterozygote; it masks the expression of the recessive allele.
What will be an ideal response?
dominant alleles
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The following items are organelles found in animal cells
Respond to statements 100–108 with reference to these organelles. a. ribosome b. mitochondrion c. lysosome d. Golgi body e. endoplasmic reticulum E 100. This organelle is the site of polypeptide assembly. M 101. The cellular digestion and disposal of biological molecules occurs inside this organelle. M 102. Aerobic respiration occurs in this organelle. M 103. RNA carries out the genetic code translation process in association with ribosomes on this organelle. Chapter 4 Cell Structure and Function 11 M 104. The packaging of secretory proteins occurs in association with this structure. M 105. This organelle is involved in lipid production and protein transport. E 106. Proteins are synthesized on this tiny, two-part organelle. E 107. Sugar metabolism occurs in association with this organelle. D 108. DNA synthesis occurs in the nucleus. Its breakdown can occur in this organelle.
The spaces that separate adjacent Schwann cells are
a. neuroglia. b. myelin sheaths. c. nodes. d. dendrites. e. synapses.
Molecular biologists rely on many, often sophisticated, techniques to pursue their discipline. Ultracentrifugation, electron microscopy, X-ray diffraction, electrophoresis, and computer interfacing are fundamental tools
Model organisms provide the raw materials for study. List three organisms (or organismic groups) often used by recombinant DNA technologists and describe a major advantage of each group.
This 1-inch section of the brain controls the breathing rhythm and heart rate
A) temporal lobe B) hippocampus C) occipital lobe D) medulla oblongata