For a human zygote to become an embryo, it must undergo what

What is the first stage of cell division

After a natural disaster such as a hurricane or tornado, what will happen in the damaged ecosystem? A) Nothing; it will remain uninhabited. B) A new, different ecosystem will evolve. C) An ecosystem like the previous one will be re-established.

Describe the three types of polar climates

What would happen if the concentration of H + ions were the same on both sides of the membrane when the channel opened? A. H + ions would not flow. B. More H + ions would be created. C. H + ions would flow into the mitochondrion. D.

Sucrose is made of what simple sugars

A nurse is caring for a client with hyperthyroidism. which laboratory test will be most beneficial in monitoring the effectiveness of drug therapy?

In X, the instructions on the DNA are copied and transcribed onto a molecule of Y RNA. Which terms correctly complete this statement? X: transcription Y: messenger X: translation Y: messenger X: transcription Y: transfer X: elongation Y: transfer

What is a characteristic of a Index Fossil

DNA encodes the information necessary to produce the proteins needed by your body. While this is true for humans, is it the case for other organisms? A) No, humans are the only species to use DNA.

Why is the symbol X avoided in algebra?