In 1884, the danish microbiologist hans christian gram invented the gram stain, which delineates the difference between what two general types of bacteria?

1105

---

What are the balanced chemical equations of breathing?

982

---

What are some examples of chemical and physical changes?

1004

---

If curly hair is genetic, why do you have curly hair if none of your ancestors did?

936

---

How is a genetic trait determined by the genetic code within a dna molecule?

967

---

What is the importance of genetics?

993

---

Biologists usually refer to the head of a tapeworm by what name?

882

---

What does genetics have to do with biology?

992

---

What is an example of an ion of biological importance?

914

---

What does veterinary medicine have to do with physiology and biochemistry?

883

---

What are the complementary base-pairing rules for biology?

918

---

What three main parts make up the carpel of a plant?

985

---

In plants, this naturally occurring auxin has the abbreviation iaa:

1061

---

in the classification of organisms, four of the 5 kingdoms are animalia, plantae, fungi, and protista. What is the fifth?

913

---

Mendel did most of his original experimentation using this type of plant?

952

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