Question

1))все части микроскопа крепятся на:а)окуляреб)штативе в)предметном стоике г)зеркале 2))что хранится в ядре живой клетки?а)наследтвенная информацияб)запасные веществав)хлоропластыг)вакуоле

Answer 1

Штатив конечно же ))))))))))   

Answer 2

1)Штатив
2)запасные вещества

Answer 3

Parts of a Microscope:

The different parts of a microscope are typically attached to different components. Here is a breakdown of where each part is usually attached:

a) Eyepiece/Ocular: The eyepiece is the part of the microscope that you look through to observe the specimen. It is usually attached to the top of the body tube or the eyepiece tube.

b) Stand/Base: The stand or base of the microscope is the bottom part that provides stability and support for the entire microscope.

c) Stage: The stage is the platform where the specimen is placed for observation. It is typically attached to the top of the base or the arm of the microscope.

d) Mirror: In some microscopes, especially older models, a mirror is used to reflect light onto the specimen. The mirror is usually located at the bottom of the base.

Please note that the specific design and attachment of microscope parts may vary depending on the model and type of microscope. [[1]] [[2]]

Contents of a Cell Nucleus:

The nucleus is a vital organelle found in eukaryotic cells. It contains various components that play important roles in the cell's functioning. Here are some of the key contents found in the nucleus of a living cell:

a) Genetic Information: The nucleus houses the cell's genetic material, which is organized into structures called chromosomes. These chromosomes contain DNA molecules that carry the cell's hereditary information.

b) Nucleolus: The nucleolus is a distinct structure within the nucleus that is involved in the production and assembly of ribosomes, which are responsible for protein synthesis.

c) Nuclear Envelope: The nucleus is surrounded by a double membrane called the nuclear envelope. It separates the contents of the nucleus from the rest of the cell and regulates the movement of molecules in and out of the nucleus through nuclear pores.

d) Nuclear Pores: Nuclear pores are small channels present in the nuclear envelope that allow the selective transport of molecules, such as RNA and proteins, between the nucleus and the cytoplasm.

e) Nuclear Matrix: The nuclear matrix is a network of proteins and fibers that provides structural support to the nucleus and helps organize the genetic material.

It's important to note that the nucleus also contains other components, such as various proteins and enzymes, that are involved in DNA replication, transcription, and other nuclear processes. [[3]] [[4]]