安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- sizes of parts of a cell - Biology Forum
Is the following list of items in the ascending order of their relative sizes? nucleotide <promoter<hemoglobin mRNA<hemoglobin gene<ribosome<chromosome tyvm
- DNA 3 end 5 end - Biology Forum
I can't quite grasp the "ends" of DNA When we say "3' end", does it mean that we can only add the nucleotides to the 5's, and not the 3's?
- Starch and Sugars. Starch-containing products sugar-f - Biology Forum
In biology, sugar is referred to as carbohydrate carbohydrate can be divided into three groups which are monosaccharide, disaccharide and polysaccharide Monosaccharide can be futher divided into glucose, fructose and galactose These three monomer is the basic sugar that built up disaccharide and polysaccharide
- Cellular Respiration Photosynthesis Analogies - Biology Forum
Hi Well I was recently assigned a project to come up with an analogy for either cellular respiration or photosynthesis ans present it to the class in a story, cartoon, or play
- Could animal sperm fertilize a human egg? - Biology Forum
Guessing it will not breach the egg wall Chemoattractants and sperm surface proteins designed to bind receptors on the zona pellucida initiate the acrosomal reaction are species-specific
- EARTHWORMS HELP!! - Biology Forum
hi i need help with these questions 1 explain the process by which earthworms enrich and aerate the soil 2 describe one way earthworms are poorly adapted (in general) to life on land 3 Describe
- Ceramic Braces Vs Metal Braces - Biology Forum
* The biggest advantage of ceramic braces over metal braces is that ceramic braces do not cause stains on the teeth Metal braces are notorious for causing stains on the surface of the teeth, and
- Evolution - Biology Forum
Evolution does'nt makes sense to me According to Darwin, humans have evolved from apes I want to know why some apes evolved into humans, why not all evolved?
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