(green) leaves;cotyledons / seed leaves + eventually used for photosynthesis;embryo + forms (new) plant;radicle + (young) root;plumule + (young) shoot / stem;micropyle + water entry;micropyle + gas orentry / Cexit;(b) water uptake + a function (e.g. dissolution);oxygen uptake + ...
15.(i) Identify the pollutant which has been excluded from the dat a given and state its source.[1](ii) Describe the effects of the pollutant mentioned in (e)(i) on human health.[1](f) The percentages of carbon dioxide and oxygen have remained constant for the past 1million years. ...
Describe the structure of veins.Question:Describe the structure of veins.The cardiovascular system:The cardiovascular system is comprised of the heart, arteries, arterioles, capillaries, venules, and veins. This system transports blood around the body carrying with it oxygen and nutrients to nourish ...
Describe the physical characteristics and function of blood. Describe the structure and functions of stems. Describe the composition, function and physical characteristics of whole blood and explain why it is classified as a connective tissue.
Transport of respiratory gases Oxygen is carried in red blood cells. It is attached to a haemoglobin, the red pigment found in rbc. The oxygen is carried around the body attached to haemoglobin, it can then leave the rbc and diffuse into the body cells. ...
(b) Describe the similarities and differences in the structure and functioning of the male gamete of a human and of a papay a plant.--- 相关知识点: 试题来源: 解析
Green Tower will be the first Vertical Forest___(build) in Asia, and it will host a total of 1,100 trees from 23 local species and 2,500 shrubs with the capabilities of providing around 25 tons of CO2 absorptioneach year and___(possible) producing 132 pounds of oxygen each day. Oth...
Draw the Lewis structure of the species as mentioned below: An odd electron molecule is formed. View Solution Describe the formation of oxygen molecule (O2). View Solution Nitric oxide, though an odd electron molecule, is diamagenetic in liquid state. View Solution Which of the following ...
The approach is illustrated by calculating the average oxygen and hydrogen density of liquid water around two molecular solutes: water and N-methylacetamide. Molecular dynamics simulations are performed to test the results obtained from the integral equation. It is observed that important microscopic ...
(ii) The middle layer of eye is vascular in nature and contains choroid, ciliary body and iris. Choroid : It lies next to the sclera and contains numerous blood vessels that provide nutrients and oxygen to the retina and other tissues. Ciliary body : The choroid layer is thin over post...