There are 20 amino acids but 64 mrna codons. for what are the other 44 codons used?

Transcription produces mRNA rRNA tRNA Other:

A large amount of algae in a lake are results of A) Global warming B) rain forest deduction C) phosphate and nitrogen pollution D) a decrease in the number of decomposers

Of the different sources of genetic variability, which one could be defined as permanent, transmissible changes to the DNA coding sequence often caused by outside environmental factors?

This is an organ of digestion. It continues the process of mechanical digestion; it secretes gastric juices that continue the process of chemical digestion started in the mouth.

Why is the krebs cycle called a cycle? the process begins in the matrix of the mitochondria, continues through the intermembrane space, and returns to the matrix. the final product of the process serves as an initial reactant in the process.

A radiographer performs an abdomen examination with a mobile digital radiography (DR) system. In order to reduce the likelihood of a repeat exposure, he decides to increase the technical factors slightly more than necessary.

Three types of bones

What is the relationship between the Kuiper Belt and the status of Pluto today? A. The Kuiper Belt is at a much greater distance from the sun than is Mars. B. The Kuiper Belt is home to a dwarf planet similar to Pluto. C.

Which is an example of mimicry? a. Fire Salamander squirting toxin at a predator b. the Viceroy Butterfly looks like the Monarch Butterfly c. A chameleon that changes color to blend in with a plant d. bear that hibernates during the winter

The parts of the cell that are common to all eukaryote cells are: -A cell membrane and cytoplasm -A nucleus and a cell membrane -Cytoplasm -A nucleus, cell membrane and cytoplasm