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

Author Question: Connective tissue, muscles, blood vessels, and bone develop from which middle germ layer? a. the ... (Read 69 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
on: Jun 21, 2018
Connective tissue, muscles, blood vessels, and bone develop from which middle germ layer?
 
  a. the endoderm
 b. the mesoderm
 c. the ectoderm
 d. the blastoderm

Question 2

The separation of actin molecules from myosin molecules requires
 
  a. calcium.
 b. sodium.
 c. acetylcholine.
 d. energy.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jun 21, 2018
Answer to Question 1

b

Answer to Question 2

d


silviawilliams41

  • Member
  • Posts: 560
Reply 2 on: Jun 21, 2018
Wow, this really help

steff9894

  • Member
  • Posts: 337
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Healed bone fractures can provide clues about activities and fresh fractures can yield information a Healed bone fractures can provide clues about activities and fresh fractures can yield information a
Use strong leg muscles, keeping back straight, when lifting. Use strong leg muscles, keeping back straight, when lifting.
Blood coagulation pathways in vivo showing the central role played by thrombin Blood coagulation pathways in vivo showing the central role played by thrombin
Fine motor skills involve coordinating the many small muscles of the wrists, hands, and fingers. Fine motor skills involve coordinating the many small muscles of the wrists, hands, and fingers.
Causes of Blood Pressure Variations Causes of Blood Pressure Variations
Self-massage of the forearm helps reduce the effects of stress on muscles used for massage. Self-massage of the forearm helps reduce the effects of stress on muscles used for massage.
Video: Oxygen transport - methods and oxyhemoglobin

For a complete list of videos, visit our video library