Question

Строение простой амебы

Answer 1

Одноклеточная водоросль,пищеварительная вакуоль,ядро,цитоплазма,псевдоподии-строение амебы.

Answer 2

Протист(эукариоты, ядерные)
форма тела не постоянная( т.к тело. покрыто плазмалеммой)
строение:
цитаплазма из 2 слоев
-эктоплазма(наружный, однородный)
-эндоплазма( внутренний, зернистый)
в клетке:
1 ядро
сократительная вакуоль
пищеварительнАя вакуоль
движение с помощью ложноножек( пснвдоподий.)

Answer 3

Structure of a Simple Amoeba

The structure of a simple amoeba, such as Amoeba proteus, can be described as follows:

1. Cell Structure: Amoeba proteus belongs to the group of organisms called Lobosea. It is a single-celled organism that lacks a fixed shape and has a flexible cell membrane. The cell consists of a nucleus, cytoplasm, and a cell membrane.

2. Nucleus: The nucleus is the control center of the amoeba cell. It contains the genetic material, including DNA, which regulates the cell's activities and reproduction.

3. Cytoplasm: The cytoplasm is a gel-like substance that fills the cell. It contains various organelles, such as mitochondria, ribosomes, and food vacuoles. The cytoplasm is responsible for carrying out the cell's metabolic activities, including digestion, respiration, and movement.

4. Cell Membrane: The cell membrane surrounds the amoeba cell and acts as a barrier between the cell and its environment. It controls the movement of substances in and out of the cell, allowing the cell to take in nutrients and eliminate waste.

5. Pseudopodia: Amoebas are known for their ability to form pseudopodia, which are temporary extensions of the cell membrane. These extensions allow the amoeba to move and capture food. The pseudopodia can change shape and direction, giving the amoeba its characteristic flowing movement.

6. Food Vacuoles: Amoebas feed on microscopic organisms, such as bacteria and algae. They capture their prey by engulfing it with their pseudopodia, forming a food vacuole. The food vacuole then fuses with lysosomes, which contain digestive enzymes, to break down the captured food.

7. Contractile Vacuole: Amoebas live in freshwater environments, where they constantly take in water through osmosis. To prevent the cell from bursting, they have a contractile vacuole that collects and expels excess water from the cell.

It's important to note that the structure of amoebas can vary depending on the species and their specific adaptations. The information provided here is a general overview of the structure of a simple amoeba like Amoeba proteus.

I hope this information helps! Let me know if you have any further questions.