Fermentation takes place in the
A) cytosol.
B) mitochondrial outer membrane.
C) mitochondrial inner membrane.
D) mitochondrial intermembrane space.
E) mitochondrial matrix
Ans: C) mitochondrial inner membrane.
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This type of tissue is rich in extracellular matrix and includes tendon and cartilage.
A. muscle B. connective C. epithelial D. nervous E. hepatic
The osmoregulatory and ionoregulatory problems facing a freshwater fish are
A. loss of water and loss of ions. B. loss of water and gain of ions. C. gain of water and loss of ions. D. gain of water and gain of ions. E. loss of urine and gain of ions.
Traveling to a high altitude can result in “altitude sickness;” however, the body eventually adjusts through ____
a. increased hemoglobin circulation b. decreased erythrocyte production c. increased secretion of erythropoietin d. decreased hemoglobin circulation e. decreased secretion of erythropoietin
Matching. Choose the one best answer for each
numbered item. 1. ___ animal pole 2. ___ cleavage 3. ___ controlled cell death 4. ___ differentiation 5. ___ embryonic induction 6. ___ fertilization 7. ___ fission 8. ___ gastrula 9. ___ gastrulation 10. ___ gray crescent 11. ___ morphogenesis 12. ___ organogenesis A. visible marker of the site where an amphibian’s body axis will be established and where gastrulation will begin B. the formation of two or three embryonic tissue layers C. the fusion of male and female nuclei D. the entire body divides transversely; each half grows and regenerates the missing part E. selective gene expression results in different cell types F. subdividing of the zygote by mitosis; no growth occurs G. region of zygote that has less yolk and is pigmented H. an embryonic stage of development that has three primary tissue layers before organogenesis begins I. the formation of organs Chapter 43 Animal Development 511 J. one body part develops in response to signals from an adjacent part K. the growth, shaping, and spatial coordination of tissues and organs so that a predefined pattern of the whole organism results L. occurs in the formation of the human hand