Biology Answers

How do the digestive system, circulatory system and respiratory system work together

Describe the nervous system response to stepping on a sharp object. ( short answer please)

T= Tris

A= Glacial acetic acid

E= EDTA

B= Boric Acid

10x TAE Recipe

For 1L of 10x solution,

• 48.5 g tris

• 11.4 mL glacial acetic acid

• 20 mL 0.5M EDTA (pH 8.0)

TBE Buffer 10x Stock Recipe

• 108 g tris base

• 55 g boric acid

• 900 ml double-distilled H2O

• 40 ml 0.5 M EDTA solution (pH 8.0)

Adjust volume to 1 L find molarity

Iron reacts with atmospheric oxygen to form iron oxide or ferric oxide. Look at the chemical equation for this reaction:

Fe + O₂ → Fe₂O₃

This equation is unbalanced. Which of the following is the correct balanced equation for this reaction?

Describe how neurotoxic venom affects the nervous system?

The HHAPPPy viruses. i.e. DNA viruses are: Herpes viridae, Hepadnaviridae, Adenoviridae, Papovaviridae, Parvoviridae and Poxviridae. Which of the HHAPPPy viruses are envelloped?

polysaccharides : iodine :: protein : _____

a large capacity bench top preparative centrifuge works in the rcf range of _______ while a high speed refrigerated centrifusion up to ____

____ of all diatomaceous supports in glc is necessary which is done by ____

How does the Shoot System and Root System of a plant shows interconnection?