What is the resistance of a wire if 12 volts in the system creates 4 amps of current?

In the human body fibrinogen is necessary for sealing cuts and stopping the loss of blood. since fibrinogen is made of chains of amino acids it is an example of which type of organic molecule

Based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ?

Fungi exist as single cells or as branching networks of multicellular filaments. how does the structure of filaments relate to their function