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noname [10]
3 years ago
8

What do euglenoids lack? cell walls chloroplasts contractile vacuoles eyespots

Biology
1 answer:
Marianna [84]3 years ago
6 0

Answer:

Euglenoids lack a Cell wall

Explanation:

Euglena is a unicellular photosynthetic protista that can be found in both salt water and fresh water. As Euglena has chloroplasts they can produce their own food through photosynthesis. For their movement in water they have specialized structure called flagella. Near Flagella another pigmented spot exist called eyespot. Eyespot helps euglena to detect sunlight. Euglenoids lack cell wall so they have more flexibility for movement.  

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which method of microbian control does not rely on denaturing proteins and/or disrupting the integreity of the cell membrane
Over [174]

Lyophilization Methods of microbial control do not rely on protein denaturation and/or disruption of cell membrane integrity

Lyophilization Freeze-drying or freeze-drying is the process of freezing the product and placing it under vacuum, then removing the water from the product, allowing the ice cream to go directly from solid to vapor without going through a liquid phase. Freeze-drying is a water removal process commonly used to preserve perishable materials, extend shelf life, or make materials easier to transport. Freeze-drying is to sublime the frozen water in the material by lowering the pressure and applying heat after freezing the material. Lyophilization converts pharmaceuticals into stable solids by removing water from liquids

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5 0
1 year ago
Hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as a. Cedar b. Elm c. Pine d. All of the a
vodka [1.7K]
D all of the above would be the correct answer
8 0
3 years ago
What is a rabbits family tree?
Marysya12 [62]

Answer:

i didnt know so i goo gled and and was suprised lol

Explanation:

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3 0
3 years ago
Describe the amount of freshwater on earth and where it is used and stored
Sergeeva-Olga [200]

According to the U.S. Geological Survey, most of that three percent is inaccessible. Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps. The use for the water in the world is for household drinking water. The ocean stores about 97 percent of the Earth's water; the remaining three percent is stored in glaciers and ice, below the ground, in rivers and lakes. Of the world's total water supply of about 332 million cubic miles of water, about 97 percent is stored in the ocean.

Hope this helps!

5 0
3 years ago
Michael observed dew in the early morning. The water vapor has transitioned in the form of dew. What is this process called?
vodomira [7]

Answer: Condensation

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Dew<span> is water droplets that appears on  exposed objects like leaves in the morning or evening due to condensation</span>

3 0
3 years ago
Read 2 more answers
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