What is a Membrane Protein? What is Cell Lysis? What is the Centrosome? Discussion Comments BySlitherine— On Mar 24, 2014 Cell transport is another example of the human body doing incredible things every day that we take for granted. ...
A. Protein B. Lipid C. Carbohydrate D. Nucleic acid 相关知识点: 试题来源: 解析 B。本题考查细胞膜的主要成分。选项 A“Protein”蛋白质在细胞膜中有重要作用,但不是主要成分;选项 B“Lipid”脂质是细胞膜的主要成分;选项 C“Carbohydrate”碳水化合物在细胞膜上起识别等作用,并非主要成分;选项 D“Nuclei...
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While some may perceive porn addiction as harmless or trivial, the reality is far from it. The main reasons why porn addiction can be so difficult to overcome is its ability to alter brain chemistry. The constant release of dopamine during sexual arousal creates a powerful reward system that ...
It is very selectively-permeable in nature. Two types of proteins- integral proteins and peripheral proteins are present in the membrane. Some molecules can pass easily via the membrane without using ATP and some need a transporter protein as well as ATP. Based on the requir...
Method of membrane filtration and its function What is a membrane? Membrane acts as a barrier that allows the separation. Although the appearance may look like a sheet of paper, membrane filters are made up of numerous micro-sized pores, which particles larger than a defined rating are retained...
What is the cell forming the visceral layer of the glomerular capsule? Which structure of the nephron reabsorbs the most substances? What structure attaches the basal surface of an epithelial cell to the underlying basement membrane? Which of the following is NOT a potential filtration b...
In this context, it is not surprising that predictive methods have gained much interest in recent years, and owing to thelow availability of experimentally solved integral membrane protein structures, so called de novo protein modelling methods (which 1 would rather designate by very little knowledge...
When I took biology I was totally fascinated by the plasma membrane. It really is integral to the cells functioning because of the way it allows some things, but not others, to pass through the membrane. There are also membranes inside the cell. In fact, the compartmentalization inside the ...
In the section below, we are going to describe each of the phases into which this implementation period is divided. Hatching and pre-contact On days 5 and 6 of development, the embryo begins to hatch until it detaches from its zona pellucida, the external protein membrane that protects it ...