Lancelets are:a
carnivores.
b. filter feeders.
c. parasites.
d. herbivores.
e. algae feeders
b
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Vascular endothelial growth factor (Abbreviated as VEGF and pronounced "Veg-F") is a peptide-signaling molecule related to platelet-derived growth factor
VEGF is important in the formation of the circulatory system because its signaling pathway causes the formation of new blood vessels in developing embryos during normal development. It also causes the formation of new blood vessels that supply tumors when the tumor produces and secretes VEGF. Given what you know about the different kinds of cell signaling and about VEGF, which of the following is true? What will be an ideal response?
Suppose a living plant cell has ?P ? 0.4 MPa and ?S = ?0.5 MPa. If the plant cell is placed into a beaker filled with a
solution with ? = ?S ???0.9 MPa, then the cell should ____.
a. take up water until it bursts b. lose water until its ? = ? of the solution c. take up water until within the cell ?P = ??S d. take up water until its ? = ?S of the solution e. lose water until its ?S = its ?P
Which of the following is true about attenuated vaccines?
a. They run a high risk of causing a full-blown case of the disease. b. One vaccine can prevent a multitude of infectious diseases. c. They lead to better and longer-lasting immunity. d. They lead to less-effective and shorter immunity.
A woman comes to the emergency department with fever and vomiting. She soon develops a red rash all over her body, and her blood pressure begins to drop. What is a likely diagnosis?
A. erysipelas B. endocarditis C. scarlet fever D. toxic shock syndrome E. staphylococcal food poisoning