Chapter 3 Flashcards
True or false
The protoplasm outside the nucleus is referred to as the cytoplasm
True
True or false
All cells are surrounded by a cell membrane, which is called the nucleus
False
True or false
The nucleus is the least prominent structure in the eukaryotic cell
False
True or false
Lysosomes are small bodies in the cytoplasm that contain powerful digestive enzymes that enhance the breakdown of Salic components
True
True or false
Ribosomes are the sites of protein synthesis
True
True or false
Celia and Faranella protrude from the eukaryotic cell and beat or vibrate
True
True or false
Chloroplasts are large organelles found in human body
False
True or false
The mitochondria are the power houses of the sale
True
True or false
The Golgi body or apparatus is a collection of flat sac-like cisternae that look like a stack of pancakes; they act as storage warehouses of the cell
True
True or false
Where DNA molecules duplicate during cell division, they shorten and thicken and become visible
True
True or false
Cells that have no membrane bound organelles are called eukaryotic cells
False
The basic unit of biological organization of human body is the what
Cell
The protoplasm inside the nucleus of the cell is called nucleoplasm, while the protoplasm outside the nucleus is referred to as the what
Cytoplasm
The liquid portion of a cell is called what
Protoplasm
The control center of the cell is the what
Nucleus
The structure within the cell that is the site of the ribosomal synthesis is the what
Nucleolus
The small bodies in the cytoplasm containing powerful digestive enzymes that enhance the breakdown of cellular components are called what
Lysosomes
The site of protein synthesis is in the what
Ribosomes
The cellular process of reading the code and bring the appropriate amino acids in sequence along the mRNA is known as what
Translation
Cellular organelles composed of fibrils and located on the cell surface that protrude from the cell and beat or vibrate are called what
Cilia and Flagella
The main constituent of cytoplasm is what
Water
The powerhouse of the cell are the what
Mitochondria
Any solution, what Atoms or ions of a substance are distributed through the medium
Individual
In a colloid, what of atoms are distributed throughout the medium
Clumps
When DNA molecules duplicate during Cell division, they shortening and thickening and are called what
Chromosomes
The convolutions of the inner membrane of the mitochondria are called what
Cristae
What are small bodies in the cytoplasm the contain enzymes enhanced breakdown of cellular components
Lysosomes
What seems to function as a point within the Cell where compounds to be secreted by the cell are collected and concentrated, I work carbohydrates percent the size
Golgi apparatus
Centrioles Form a system of what, which distribute the duplicated chromosomes during cell division to the daughter cells
Microtubules
The code to make a particular protein lies on what molecule in the nucleus
DNA
Higher cells such as those of the human body are called what cells
Eukaryotic
In protein synthesis, the process of copying the genetic information from the DNA molecule onto the messenger RNA molecule is known as what
Transcription
The cellular organelles located on the cell surface of the eukaryotic cells that protrude from the cell and beat and vibrate, creating movement, are the what and flagella
Cilia
The folds of the inner membrane of the mitochondria where cellular respiration occurs are called
Cristae
Protoplasm outside the nucleus is called what
Cytoplasm
A special molecule called what copies the code from the DNA molecule in the nucleus
Messenger RNA