A seed will contain all of the following except ________
a. embryo sporophyte
b. reserves of food
c. mature ovule
d. pollen
e. seed coat
d
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Answer the following statements true (T) or false (F)
1. CSF specimens should be refrigerated en route to the Clinical Microbiology Laboratory. 2. There is no need to refrigerate urine specimens for culture if they are clean-catch midstream specimens. 3. Many clinical specimens labeled “sputum” are actually saliva specimens. 4. The Clinical Microbiology Laboratory is part of the Clinical Pathology Division of the Pathology Department. 5. ?-Lactamase testing is always performed on isolates of Neisseria gonorrhoeae and Haemophilus influenzae.
The mesophyll of the leaf
A. is located between the leaf veins. B. is exposed to direct sunlight. C. is mostly along the edges of the leaf. D. is sometimes found in roots or stems. E. is made up of palisade and spongy parenchyma cells.
Which of the following white blood cells have
receptors for activated complement proteins?
a. dendritic cells, macrophages, and neutrophils b. mast cells, macrophages, and neutrophils c. dendritic cells, B lymphocytes, and neutrophils d. dendritic cells, eosinophils, and macrophages e. all of these white blood cells have receptors for activated complement proteins
Which of the following molecules are produced by transcription?
A. Ribozymes B. Ribosomal proteins C. Messenger RNA