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Sacs

sacs

(Science: ethnology) A tribe of indians, which, together with the foxes, formerly occupied the region about green bay, Wisconsin.

Alternative forms: sauks.


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Animal Behaviour MC questions

... coloured gifts in white silk. Stålhandske wondered if the males wrapped their gifts in order to make them look like the white, silk‐covered egg sacs that mated females make and hold in their jaws to protect until the spiderlings hatch. (4 marks) i. The last sentence in the paragraph above constitutes: ...

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by mushroom
Thu Oct 27, 2011 4:44 am
 
Forum: Zoology Discussion
Topic: Animal Behaviour MC questions
Replies: 3
Views: 1706

why do we yawn???

... Studies have shown that during normal, at-rest breathing, we don’t use anywhere near our lung capacity; for the most part, we just use the air sacs at the bottom of the lungs. If the air sacs, called alveoli, don’t get fresh air, they partially collapse and the lungs stiffen a bit. As a result, ...

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by santana8
Wed Aug 24, 2011 12:27 pm
 
Forum: Physiology
Topic: why do we yawn???
Replies: 21
Views: 22751

Re: PROKARYOTE VS EUKARYOTE PHOTOSYNTHESIS

... the enzymes required to produce carbohydrate molecules. Another system of membranes suspended in the stroma, consisting of set of flat disc like sacs called thylakoid. The thylakoid membrane encloses a fluid filled lumen or space, which is separated by thylakoid membrane with stroma. The chlorophyll ...

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by sara135
Tue Jul 12, 2011 11:57 am
 
Forum: Microbiology
Topic: PROKARYOTE VS EUKARYOTE PHOTOSYNTHESIS
Replies: 3
Views: 8375

Re: Theories - Origin of Life

... inside a cell increases, causing cell membranes to rupture. Single membranes surrounding organelles called lysosomes tend to dissolve first. The sacs contain digestive enzymes normally used by cells to break down organic molecules such as proteins. As these enzymes spill out, they begin digesting ...

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by scottie
Thu Jun 09, 2011 2:07 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 535206

Theories - Origin of Life

... I'll give it a shot. The windpipe opens at the base of the tongue where debris isn't trapped easily like the back of our pharynx. A system of air sacs then direct air through the lung in only one direction which keeps incoming air from mixing with outgoing air thus greatly increasing oxygen transfer ...

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by BDDVM
Wed Apr 13, 2011 12:30 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 535206
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