Answers

CG

Answered

Somites give rise to ________.

A) nerves
B) blood
C) glands
D) muscles
E) spinal cord

On Jun 20, 2024


D
CG

Answered

Which of the following muscles would be considered an antagonist to the rectus femoris?

A) Sartorius
B) Biceps femoris
C) Vastus intermedius
D) Gracilis
E) Vastus lateralis

On Jun 19, 2024


B
CG

Answered

What type of synovial joints are metacarpophalangeal joints?

A) Condylar
B) Hinge
C) Pivot
D) Ball-and-socket
E) Saddle

On Jun 17, 2024


A
CG

Answered

Which of the following have local reproductive success that is less than the local mortality?

A) Metahabitats
B) Sink habitats
C) Source populations
D) Source habitats
E) K-selected populations

On May 21, 2024


B
CG

Answered

Describe the likely cellular organelle or structure that has been affected in the following medical conditions (Note: There may be more than one organelle or structure involved.):
A. The sperm of a man cannot swim, thus rendering him infertile.
B. A child experiences kidney failure because of Fabry's disease in which the cells lining the inside of the kidney tubule accumulate abnormally large amounts of glycolipids that are usually degraded by enzymes.
C. A person dies within minutes after ingesting cyanide because of a lack of ATP synthesis.

On May 20, 2024


Concepts to Consider: A. The problem may be due to nonfunctioning mitochondria, which power the beating of the flagella, or the problem may be dysfunctional microtubules; B. Peroxisomes, which contain enzymes that break down lipids and fats, may be nonfunctioning or may not be produced by the Golgi apparatus. On the other hand, the enzyme itself may not be produced due to a mutation in the DNA or some post-transcriptional problem; C. Cyanide prevents the normal functioning of mitochondria.
CG

Answered

Pituitary dwarfism is caused by

A) hypersecretion of thyroxine during childhood.
B) hyposecretion of thyroxine during childhood.
C) hypersecretion of growth hormone during childhood.
D) hyposecretion of growth hormone during childhood.
E) hypersecretion of epinephrine during childhood.

On May 18, 2024


D