Tumor suppressor genes act like brakes in the cell cycle.

A brand is a method of identification that kills the pigment portion of a hair follicle if done correctly, while a brand kills the whole hair follicle. Use one word for each answer. 

Use this model of a eukaryotic primary transcript to answer the following question.Use this Key: E = exon and I = intron 5′-UTR E1 I1 E2 I2 E3 I3 E4 UTR-3′If the primary transcript is processed and transported to the cytosol, which of the following molecules best represents the mRNA that will be produced?

Which enzyme is responsible for synthesizing RNA during transcription?

The electron transport chain is located in the inner mitochondrial membrane in eukaryotic cells.

How many net ATP does glycolysis produce?

Binary fission occurs in eukaryotic cells.

Tay-Sachs is a recessive genetic disease in humans. If one parent is homozygous normal and the other is heterozygous normal, what are the chances their child will have this disease?       

The word mutation usually carries a negative connotation meaning it makes one think of a harmful condition or disease. Are mutations always harmful?  Why or why not?

In a certain species of mouse, coat color is determined by a single gene with two alleles: B = black coat (dominant) b = white coat (recessive) A heterozygous black-coated mouse (Bb) is crossed with a white-coated mouse (bb). Questions: Use a Punnett square to determine the possible genotypes and phenotypes of the offspring. What is the probability that an offspring will have a black coat? What is the probability that an offspring will be homozygous?