The metabolism of protein results in the formation of this toxic ion.

a) alcohol

b) ammonia

c) creatine

d) aldosterone

e) lactic acid

What are the three types of post-transcriptional processing, and what are the consequences of preventing each of these modifications in terms of gene expression? Essay answers are limited to about 600 words.

Describe how glucose-6-phosphate formed by glycogen breakdown in the liver converts to glucose by glucose-6-phosphatase and how the newly formed glucose leaves the liver cells. Describe why this process allows for separation from glycolysis.

Compare animals:

• earthworm
• clam
• grasshopper
• fish
• frog

and research the anatomy of these body systems:

• digestive
• nervous
• respiratory
• cardiovascular
• excretory/osmoregulatory

1. Identify 2-3 similar anatomical structures that appear in all the animals for which there were posts. Why do you think these structures have remained similar even though these animals are from different phyla?

2. Which of these animals live on land and which live in the water? Discuss which anatomical features are specifically adapted to each environment.

3. Animals need to exchange molecules with the environment to support their metabolic rate and we see that they often optimize this by increasing surface area. Where specifically do you see the maximization of surface area among these organisms?

These vessels carry blood under high pressure out to the body tissues.

a) veins

b) arteries

c) capillaries

d) lymph vessels

Lysozyme attacks bacteria by ___________________ and is effective against _________________.

a)making holes in the bacterial membrane; Gram-negative bacteria

b)hydrolyzing the glycosidic bond between NAM and NAG; Gram-positive bacteria

c)making holes in the bacterial membrane; Gram-positive bacteria

d)hydrolyzing the glycosidic bond between NAM and NAG; Gram-positive and Gram-negative bacteria

e)making holes in the bacterial membrane; Gram-positive and Gram-negative bacteria

f)hydrolyzing the glycosidic bond between NAM and NAG; Gram-negative bacteria

Define endocrine, paracrine, and autocrine and give example of each.

Desribe how the protein phosphatase-1 (PP1) in the liver is regulated and how glucose allosterically regulates glycogen phosphorylase in the liver.

what three types of stimulation lead to hormone release? Give examples.

1.Discuss one specific fishery or species of fish and discuss problems associated with it conservation. Use actual details and examples.

2. Compare in depth the different adaptations in two mammals. Explain how the adaptation helps that mammal to survive within its environment.

3. Using actual examples clearly differentiate between a population, subspecies, species, ecological community and ecosystem.

PLEASE HELP

1.Why is the theory of evolution a scientific theory and not a scientific hypothesis? Explain an example relevant to zoology.

2. Describe the inter-relationship between random genetic mutation, selection (natural, sexual or kin) and reproductive barriers (allopatric, parapatric or sympatric speciation) and how they result in the evolution of species

PLEASE HELP

Human cells contain a protein that binds to the 5? triphosphate groups of RNA. Explain why this protein would be part of the defense against viral infection.

which of the following statements about genetic drift and population size is true

A) if a population is large enough, it will not experience any genetic drift

B) the larger a sample is, the less likely it is similar to its source population

C) A population is unlikely to lose genetic diversity when its size is drastically reduced

D) the effects of genetic drift are more pronounced in very small populations

What is the function of the veins? Is blood under high or low pressure in the veins? What two features of veins allow them to efficiently deliver blood back to the heart?

What is anaerobic respiration? When is it needed and how does this relate to oxygen debt?