Which is/are true concerning chromosomal sex determination?   a. Anyone born with two x chromosomes is a male   b. Sperm always contain Y chromosomes   c. Testis Determining Factor is produced by the SRY allele present on the Y chromosome   d. Under normal circumstances, a human embryo that has both and X and a Y chromosome is male.

Q: what are the structural differences between reverberating and converging circuits

A: Neuronal circuits are a group of neurons connected and interconnected and they are dedicated to perf...

Q: Anatomy and Physiology Question

A: Dissection of various animals like pigs, frogs, and mouse helps to study the anatomical structure of...

Q: Which cranial nerve has three divisions (ophthalmic, maxillary,and mandibular)?a. accessory (CN XI)b...

A: Cranial nerves originate from the inferior surface of the brain. These are included in the periphera...

Q: Which arrangement best describes a bipennate muscle?a. The muscle fibers feed in on an angle to a lo...

A: A muscle can be defined as the soft tissue present in the body of most animals acting as a source of...

Q: 1. What are neural pathways? ______________________________________________________ 2. What are th...

A: A neural pathway is a passage between the nervous system, an area of the nervous system is connected...

Q: What would be a good target for a drug if one wanted to affect veins but not arteries?  Group of ans...

A: Arteries are deep and veins are superficial and easy to access. Arteries have higher pressure so pun...

Q: Drag the labels to identify descending tracts in a spinal cord section. Reset Corticospinal Pathway ...

A: The descending tract refers to the collective group of myelinated nerve cells whose function is to t...

Q: What factors contribute to the transparency of the cornea?

A: The cornea is the transparent front part of the sight that encloses the iris, pupil, and anterior ch...

Q: Which of the following is/are function(s) of angiotensin II?   a. Increases blood pressure ...

A: The renin-angiotensin-aldosterone system (RAAS) is a system of hormones involving the three hormones...

Q: Part D- Organization of the Sympathetic Nervous System The divisions of the autonomic nervous system...

A: The peripheral nervous system is subdivided into afferent and efferent divisions. The afferent divis...

Q: What would be a CORRECT statement regarding clonal deletion? O This process removes the lymphocytes ...

A: The immune system is defined as a complex network of different biological structures and processes t...

Q: If ventilation increases, plasma PCO2 (increases or decreases), H+ (increases or decreases), and HCO...

A: Ventilation, also termed as breathing, is defined as the exchange of gases between the lungs and the...

Q: Visit this website (http://openstaxcollege.org/l/lymphsystem) for an overview of the lymphatic syste...

A: The lymphatic system carries the interstitial fluid from the body and drains it back into the circul...

Q: Directions: Answer the questions below each scenario. If identifying brain regions, be as specific a...

A: The main function of the CNVII is the motor control of all of the muscles of facial expression. It a...

Q: How would you distinguish the Anterior Tibial, Posterior Tibial and Fibular Artery from each other.

A: The arteries supply oxygen rich blood to different parts of the body. The bone, along with cartilage...

Q: What is the function of a nutrient foramen in bone?

A: Foramen refers to an opening inside the human body in the bones. These allow nerves, blood vessels, ...

Q: 3) Which cranial nerves control the zygomaticus muscle groups and the orbicularis oculi muscles? a) ...

A: The cranial nerves are 12 pairs of nerves that can be seen on the ventral (bottom) surface of the br...

Q: Name the structure A. Supraspinatus B. Teres major C. Infraspinatus D. Subscapularis E. Teres minor

A: Scapular and axial muscles pass across the shoulder and cause movement of the humerus bone. Axial mu...

Q: How do changes in body temperature affect heart rate?

A: For adults, the average resting heart rate varies between 60 and 100 beats per minute. A lower heart...

Q: which ion is used in blood clotting? which vitamin is needed in blood clotting?

A: Blood clotting, or coagulation is an important process, which prevents excessive bleeding when a blo...

Q: Watch this video (http://openstaxcollege.org/l/micromacro) to learn more about macro- and microstruc...

A: Muscle contraction can be described as a process during which the tension increases in a muscle fibe...

Q: Describe what happens with H+ levels in the urine and HCO3- levels in the urine during respiratory a...

A: The cells are the basic unit of life and their proper and are responsible for the formation of tissu...

Q: Interestingly, the most common treatment for methanol poisoning is to use ethanol as an antidote. Wh...

A: Excessive ingestion of methanol leads to methanol toxicity or methanol poisoning, which disturbs the...

Q: A 3 yr-old presented with extreme fatigue, intolerance to physical activity and an enlarged liver.  ...

A: Lactate is a carbohydrate that is produced as final byproduct of anaerobic glycolysis.