lanceop002

1. Which of the following are among the 3 most common saturated fatty acids in nature (3 points)? lauric acid palmitic acid arachidic acid all of the above

Name a suture device currently on the market that is used in clinical use. Explain the use of the device and mechanism of failure from the device, i.e what are some problems with the device and how can it be solved.

What are some clinical problems with Creutzfeldt-Jacob diease.

Q. Where are root hairs present in root.

Tasha has a mass of 20 kg and wants to use a 4.0 m board of mass 10kg as a seesaw. Her friends are busy, so Tasha seesaws by herselfby putting the support at the system's center of gravity when shesits on one end of the board. How far is she from the supportpoint?

I am really having trouble visualizing this problem. I understandthat normally for a 4 m board, the center of gravity would be at 2m. I am just confused about the support point and would appreciateany help. The answer is said to be 0.67 m. Thank you.

A certain wooden board is 4.0m long and has a mass of 18kg. If theboard balances at the center when 160N is placed on the left end,the center of gravity of the board is _______ m from the rightend.

The answer is 0.19m from the right end.
How do I get this answer? please help! thank you!

The genes responsible for the breakdown of lactose in E.coli are part of a(n) _____.

Species that are introduced to new habitats, such as islands,often exhibit very high growth rates, but then growth rates leveloff. Explain this phenomenon, and describe the different patternsof growth.

an object is thrown freely from rest near the surface of the earth. What is the speed of the object after falling a distance at 4.90 m?

Twelve seconds after starting from rest, an object falling freely will have a speed of

Object falling falls at a

Hormone secretion from the anterior pituitary gland is controlled

A)by hypophysiotropic hormone from the hypothalamus

B)directly by neural innervation of anterior pituitary cells

C)by negative feedback action of target tissue hormones

D)both a and c above are correct

E)all of the above are correct

Explain, in general how negative feedback works to regulate hormone release from the anterior pituitary?. 

Explain, in general how positive feedback works to regulate hormone release from the anterior pituitary?. 

List FOUR ENDANGERED animal species in the USA, AND for each species you listed tell me why their numbers declined

Environmental Science 101

List THREE animals and/or plants that you consider endangered in Philippines. Why are these organisms endangered? What has been done to protect these species

Environmental Science 101