Actin
a. has ATPase activity
b. are spherical
c. forms a helical chain that forms the main structural component of the thin filaments
d. has characteristics a and b
e. has characteristics b and c
E
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Ketosis is a common disease in high producing dairy cattle that are not able to eat enough feed to meet their large energy demands
Indicate whether the statement is true or false
Lymphatic organs differ from lymphatic tissues in what way?
A) They contain T lymphocytes and lymphatic tissues do not. B) They are found in the digestive tract and lymphatic tissues are found in the thorax. C) They are surrounded by a fibrous capsule and lymphatic tissues are not. D) They cannot produce antibodies, whereas lymphatic tissues can. E) They occur throughout the body except in the head.
Terminal bronchioles of the lower respiratory system are lined with
A. keratinized stratified squamous epithelium. B. simple cuboidal epithelium. C. pseudostratified ciliated columnar epithelium. D. stratified columnar epithelium. E. nonkeratinized stratified squamous.
The lymphatic system works closely with the _____ system. Select one:
a. respiratory b. digestive c. cardiovascular d. endocrine