This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In the third through eighth weeks of a human pregnancy, the developing organism is referred to as ... (Read 38 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
on: Jun 21, 2018
In the third through eighth weeks of a human pregnancy, the developing organism is referred to as a(n)
 
  a. zygote.
 b. embryo.
 c. blastocyst.
 d. fetus.

Question 2

The arrival of an action potential in a muscle fiber causes
 
  a. calcium to enter the muscle fiber.
 b. calcium to be released by internal organelles.
 c. acetylcholine to enter the muscle fiber.
 d. acetylcholine to be released by internal organelles.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ndhahbi

  • Sr. Member
  • ****
  • Posts: 390
Reply #1 on: Jun 21, 2018
Answer to Question 1

b

Answer to Question 2

b


Deast7027

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jun 21, 2018
Thank you


ndhahbi

  • Sr. Member
  • ****
  • Posts: 390
Reply #3 on: Jun 21, 2018
No problem :)


« previous next »
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

2006 Data:Top 25 Substances Involved in Human Exposures 2006 Data:Top 25 Substances Involved in Human Exposures
The human mesencephalon (midbrain). The human mesencephalon (midbrain).
Baby position during the 30th week of pregnancy Baby position during the 30th week of pregnancy
Trace Elements of the Human Body Trace Elements of the Human Body
Human embryo shortly after fertilization in the laboratory Human embryo shortly after fertilization in the laboratory
Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene
Video: Bond in biological molecules (Ionic, Covalent and Hydrogen bonds)/ How atoms bond?

For a complete list of videos, visit our video library