#Question id: 56
#1. Molecules and their Interaction Relevant to Biology
Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?
#Question id: 1276
#4. Cell Communication and Cell Signaling
Which of the following does not belong to the major families of cell surface adhesion molecules?
#Question id: 2084
#2. Cellular Organization
Which two organelles are responsible for producing phospholipids and sphingolipids?
#Question id: 24024
#Aptitude
#Question id: 11425
#10. Ecological Principles
Walter's climate diagrams allow us to identify any months that have a water deficit. These are months in which: