Options for the question have not been provided. They are as follows:
Substances can pass through them
They are made of muscle
They are located throughout the body
They are made of bone
Answer:
Substances can pass through them
Explanation:
- When a wall or membrane is permeable, it means that substances can pass through it from one side to another.
- Alveoli and capillary have permeable walls.
- Alveoli are found in lungs. They need permeable walls for exchange of gases between the body and the environment.
- Capillaries are a type of blood vessels. They need permeable walls for exchange of nutrients and waste material between the blood and the tissue.
What do you need help with? One of the biggest things to remember with Punnett squares is that when you cross them you need to make sure the dominant trait (Upper case letter) is in front of the recessive trait (lower case letter)
No gram stain cannot be used because influenza virus causes flu and virus has no cell wall which we could stain.
Further explanation
Microbial size
A reasonable standard for estimating organisms is the micrometer which is multiple times littler than a meter (one-millionth of a meter). There are 106 µmeters in one meter, and it is these units that are utilized to quantify the size of microscopic organisms. Normally, microscopic organisms extend from around 1 µm to around 5 µm.
Microbial shape
There are a huge number of microbes, yet every one of them are essentially of three unique shapes. Some are rod like and called bacilli and E. coli is rod shaped. While some are round in shape like cocci e.g Staphylococcus. Third type is spiral like and is called spirilla.
Motility of microbes
The have the ability to swim or crawl frequently and interact with their physical and chemical environments.
Spore staining
It is a technique which is used for differentiation and we dye the cell wall and spores of bacteria.
Simple stain
It is one of very simple methods which involves only a single solution for staining.
Hanging drop slide
It is a technique which used wet mount and organism is dipped in it and then that organism is placed on a slide under microscope for analysis.
Gram stain
In this technique in which an organism is stained. It may be gram positive or gram negative.
Answer details
Subject: Biology
Level: college
Key words
- Microbial size
- Microbial shape
- Motility of microbes
- Spore staining
- Simple stain
- Hanging drop slide
- Gram stain
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The answer is sea stars. Sea stars can then push their stomachs out of the body while inserting it into the prey thus the food is being digested externally. Echinoderms are having 5 or at times multiple of 5 arms. Their shell is made of calcium carbonate.
Develop into<span> gills or other body parts as the embryo </span>develops<span>. </span>backbone<span> ... the embryonic structure in chordates that is </span>usually<span> replaced by a </span>backbone<span>. bony fish.</span>