Why can’t the 3’ end of pre-mRNA be modified at the same time as the 5’ cap is place on the other end?

1. How does the body remove heat during and after aerobic exercise?

2. Explain the anaerobic threshold.

3. During exercise, are the muscles or the body’s surface/skin the priority destination for blood?

4. Explain how oxygen and ATP affect exercise.

At the molecular level, what is happening during the refactory period in neurons and muscle fibers?

What is happening physiologically with MERS? Give detailed information and explain list sources below your answer please

9.         Discuss the mechanism(s) by which heart rate and strength of contraction are impacted by sympathetic activation (6 pts)?

10. Discuss the reflex that regulates changes in blood pressure through the activation of baroreceptors (8 pts).

12.       Compare and contrast action potentials in myocardial cells and P cells with respect to mechanism and function (12 points).

Answer the following questions:

1. List and explain the 3 layers of meninges?

2. Which parts of the brain would work together to achieve the following:

A). Good eye-hand coordination

B) Concentrating on homework when TV is playing

C) Avoiding dark alleys while walking home at night

D) Keeping blood pressure constant

3. Write one (1) function of the parts of the brain:

A) Cerebrum

B) Cerebellum

C) Thalamus

D) Hypothalamus

E) Midbrain

F) Pons

G) Medulla Oblongata

4) Which of the Cranial Nerves would work together to achieve the following:

A) Smell

B) Vision

C) Hearing

D) Tongue movement

E) Eye movement

Describe the structures of the collecting system.

please type it

Since individual motor unites for "all or none," how do skeletal muscles perform smooth movement? Why can asynchronous recruitment of motor units be beneficial?

- What purpose/benefit does an elastic aorta have in terms of the change in the flow rate?

The mucus in the cervix thickens due to:

Group of answer choices

progesterone

estrogen

prolactin

oxytocin

Answer if it is True or False

______1. A gamete is a haploid cell that combines with another haploid gamete during fertilization

. _________2. Sperm mature and are stored in the epididymis.

_________3. In the first several weeks after fertilization, males and females are essentially the same

. _________4. Genes on the X chromosome cause male organ formation.

_________ 5. Rapid growth occurs during puberty.

_________ 6. A sexually mature male produces hundreds of sperm each day

. _________7. Sperm are produced in the epididymis and become mature in the seminiferous tubules.

_________8. When sperm “swim,” the tail rotates like a propeller.

_________9. Hundreds of billions of sperm are released with each ejaculation.

_________10. Spermatogenesis involves both mitosis and meiosis.

_________11. The part of the sperm called the tip produces enzymes that help the sperm penetrate an egg.