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Viruses
Viruses

... a small collection of genetic material (DNA or RNA) an outer protective protein coat called a capsid. ...
Secondary Wall
Secondary Wall

... ④anaphase: the centromere detaching ,each pair of chromatids set apart from the equatorial plate to move to the two poles, thereby to compose the independent daughter chromosome respectively. ...
chapter12
chapter12

... Stage of the cell cycle between successive mitotic divisions ...
File
File

... What do you would predict would happen to the cell in this type of environment? Which has a higher concentration of water outside the cell? Would water flow into or out of the cell? What do you predict would happen to the cell in this type of environment? Would water flow into or out of the cell? If ...
Cell structure and functions
Cell structure and functions

... • They are similar to lysosome but smaller. • Peroxisomes contain the enzyme catalase, which breakdown of hydrogen peroxide into water and oxygen. • Found mainly in liver and kidney cells • Main function is detoxification of toxic ...
2-3 eukaryotes
2-3 eukaryotes

... 2.3.4 Compare prokaryotic and eukaryotic cells ...
Lecture 6, Feb 1
Lecture 6, Feb 1

... It keeps the cytoplasmic contents of the cell separated physically and chemically from the environment. It regulates the movement of substances into and out of the cell. It provides specific surface receptors for communication with other cells, viruses and chemical substances in the surrounding ...
Aims - Excellence Gateway
Aims - Excellence Gateway

... Levels of Organisation, Identify the Organelle, Nucleus, Endoplasmic Reticulum, Ribosomes, Golgi Body, Lysosome, Mitochondria. Can be shown as a slide show and students to take notes, or can be hand-outs for the students. ...
What happens if you put a few drops of food coloring in water? Over
What happens if you put a few drops of food coloring in water? Over

... higher concentration (larger amount) of the substance to an area where there is a lower concentration (lower amount) of the substance. The amount of a substance in relation to the total volume is the concentration. During diffusion, molecules are said to flow down their concentration gradient, flowi ...
The Cell - myndrs.com
The Cell - myndrs.com

... It is a thin flexible covering surrounding all cells. Made up of primarily proteins and fats ...
Cell Presentation
Cell Presentation

... There are two types of E.R. which forms channels throughout the cell. Rough E.R. has ribosomes on it and smooth does not. Proteins are synthesized on the ribosome on rough E.R. Both E.R’s increase surface area for chemical reactions and storage. ...
VOCAB Chapter 7
VOCAB Chapter 7

... FACILITATED DIFFUSION: movement of specific molecules across cell membranes with the help of protein channels and carriers EXOCYTOSIS: A process in which a cell releases large amounts of material when a VESICLE inside the cell fuses with the cell membrane and releases its contents to the OUTSIDE END ...
Marine Natural Products with Potential as Treatments for Pancreatic
Marine Natural Products with Potential as Treatments for Pancreatic

... • identifies genes that are required for growth in the presence of compound. • This assay can be particularly informative for compounds that lack a direct protein target. ...
CELL Structure REVIEW
CELL Structure REVIEW

... structural support. • Ribosomes:Cell structures where proteins are made. • DNA:Provides instruction for making proteins and allows cell to reproduce. ...
8-2: Cell Transport
8-2: Cell Transport

... • The amounts of other solute sets up the concentration gradient that drives the movement of water… based on overall ratios • Special channel proteins in CM help regulate water balance during digestion, for regulation of body temperature and for water conservation in the kidneys ...
The Cell Membrane
The Cell Membrane

... The cell membrane is permeable to some materials and impermeable to others. Permeable means “allowing passage,” and impermeable means “not allowing passage.” The cell membrane plays an important role in keeping harmful substances out of the cell and in removing wastes. Because it allows only certain ...
Parts of a Microscope
Parts of a Microscope

... Plant Cell: Nucleus Cytoplasm Cell membrane Vacuoles Cell wall Chloroplasts ...
Cells
Cells

... microscope and named the structures he saw cells  Many scientists then studied cells. Their work is summarized in the cell theory: o All organisms are made up of one or more cells o The cell is the basic unit of structure and organization of organisms o All cells come from preexisting cells Types o ...
Cell Transport Review Worksheet
Cell Transport Review Worksheet

... B. It is selectively permeable so only certain molecules can pass through it. C. It acts more like a fluid than a solid because its molecules are constantly moving – FLUID MOSAIC D. Cell membranes surround all animal, plant, and bacterial cells. E. It is a bilayer composed mainly of phospholipids an ...
KS3 Science
KS3 Science

... Key Point cell wall nucleus chloroplast vacuole cytoplasm ...
Antivirals - chemistryatdulwich
Antivirals - chemistryatdulwich

... • Blocking the virus from entering the host cell by causing structural changes in the cell membrane of the host cell. • Altering the host cell’s genetic material so it cannot be used by the virus to multiply e.g. prevents the transcription of the viral RNA into host cell DNA. • Preventing the virus ...
File
File

... 69. What kingdoms contain organisms that are capable of capturing and using energy from the Sun? _____________________________________________________________________________ 70. What kingdoms include organisms credited for breaking down dead plants and animals into rich soil? ______________________ ...
Name - OnCourse
Name - OnCourse

... Cells are the basic unit of structure and function for all living organisms. They can exist either as singly or in groups (multi). Cells that join together to take on a special function are called tissues. There are two major groups that cells fall into – prokaryote (anucleate) and eukaryote (nuclea ...
cell injury
cell injury

... Cells can be damaged by a variety of mechanisms. Hypoxia causes loss of ATP production secondary to oxygen deficiency and can be caused by ischemia, cardiopulmonary failure, or decreased oxygen-carrying capacity of the blood. The response of cells can range from adaptation to reversible injury ...
L.14.3 Cell Structure and Function Module
L.14.3 Cell Structure and Function Module

...  Explain the role of the cell membrane during active and passive transport. ...
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Cell cycle



The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication (replication) that produces two daughter cells. In prokaryotes which lack a cell nucleus, the cell cycle occurs via a process termed binary fission. In cells with a nucleus, as in eukaryotes, the cell cycle can be divided into three periods: interphase, the mitotic (M) phase, and cytokinesis. During interphase, the cell grows, accumulating nutrients needed for mitosis, preparing it for cell division and duplicating its DNA. During the mitotic phase, the cell splits itself into two distinct daughter cells. During the final stage, cytokinesis, the new cell is completely divided. To ensure the proper division of the cell, there are control mechanisms known as cell cycle checkpoints.The cell-division cycle is a vital process by which a single-celled fertilized egg develops into a mature organism, as well as the process by which hair, skin, blood cells, and some internal organs are renewed. After cell division, each of the daughter cells begin the interphase of a new cycle. Although the various stages of interphase are not usually morphologically distinguishable, each phase of the cell cycle has a distinct set of specialized biochemical processes that prepare the cell for initiation of cell division.
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