The stomach
a. is a non-elastic sac.
b. secretes enzymes that begin to break down
fats.
c. secretes enzymes that begin to break down
proteins.
d. is surrounded by three layers of skeletal
muscle.
e. fits all of these descriptions
C
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Club moss sporangia form on specialized leaves called ____ that occur near stem tips
a. cladophylls b. archegonia c. thalli d. antheridia e. sporophylls
Unfortunately, several of the children who were genetically treated for SCID-X1 have since developed
a. sickle cell anemia. b. diabetes. c. cystic fibrosis. d. hemophilia. e. leukemia.
You have been given a plant sample and asked to identify a specific tissue. Upon investigation, you find the cells are all long in length and some of them have small pores. They all contain fluid. You test the fluid using various biochemical tests and discover the fluid contains an abundance of disaccharides. What type of tissue are you looking at?
A. Phloem B. Meristematic C. Sclerenchyma D. Root hair cells E. Xylem
MHC class II cell surface proteins are found on what cells?
A. Erythrocytes only B. Macrophages, B cells, and dendritic cells C. Natural killer cells only D. Neutrophils only E. Neutrophils and natural killer cells