If a biochemist discovers a new molecule, which of the following pieces of data would allow her to draw the conclusion that the molecule is a steroid hormone?

I) The molecule is lipid soluble.

II) The molecule is derived from a series of steps beginning with cholesterol.

III) The molecule acts at a target tissue some distance from where it is produced.

IV) The molecule uses a transport protein when in an aqueous solution such as blood.

TLS Online TPP Program

#Question id: 11236

#Unit 9. Diversity of Life Forms

Which two structures play direct roles in permitting bacteria to adhere to each other, or to other surfaces?

1.  capsules

2.  endospores

3.  fimbriae

4.  plasmids

5.  flagella

TLS Online TPP Program

#Question id: 12065

#Unit 9. Diversity of Life Forms

If the Archaeplastidae are eventually designated a kingdom, and if the land plants are excluded from this kingdom, then what will be true of this new kingdom?

TLS Online TPP Program

#Question id: 12327

#Unit 10. Ecological Principles

Which  of  the  following  is  the  most  accepted hypothesis as  to  why  invasive  species  take  over  communities into which they have been introduced?

TLS Online TPP Program

#Question id: 5765

#Unit 8. Inheritance Biology

How many different trisomics could be formed in a plant with a diploid number of 12?

TLS Online TPP Program

#Question id: 28968

#Unit 7. System Physiology – Animal

The hormones of the adrenal cortex are derivatives of__