Cells‚ Cell Division‚ and Cell Specialization Fundamentally Different Types of Cell Prokaryotic Cell- single celled: only DNA+ structure (“before nucleus”) E.g. zygote-complete DNA Eukaryotic Cell-multi-celled (“after nucleus”) Prokaryotes Eukaryotes DNA In “nucleoid” region Within membrane-bound nucleus Chromosomes Single‚ circular Multiple‚ linear Organelles None Membrane-bound organelles Size Usually smaller Usually larger- 50 times Organization Usually single-celled Often multicellular
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AP Biology Lab #5: Cell Respiration | | | | | | Brian Suarez Completed with Yeonah Suk‚ Michelle Lee‚ and Agron 12/14/12 SBS21X (Period 1 & 2) Ms. Brady Brian Suarez Completed with Yeonah Suk‚ Michelle Lee‚ and Agron 12/14/12 SBS21X (Period 1 & 2) Ms. Brady Introduction To be able to carry on metabolic processes in the cell‚ cells need energy. The cells can obtain their energy in different ways but the most efficient way of harvesting stored food in the cell is through cellular
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Pre-Lab Cell (2) Grade = 80% 1. Which of the following is not a membranous organelle? A) lysosome B) Golgi apparatus C) centrosome D) nucleus E) vacuole 2. Centrioles are found within the A) chromatin B) chromosomes C) centrosome D) Golgi apparatus E) may be all of the above 3. The 2nd picture on the second page of the cell and mitosis chapter in the lab manual shows A) red blood cells B) smooth muscle cells C) squamous cells D) sperm
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Mitosis. Experimental Hypothesis: If we put onion root tips in IAA solution then the rate of Mitosis will increase. Null Hypothesis: There will be no difference Part 1- Post Lab Question If a cell contains a set of duplicated chromosomes‚ does it contain any more genetic information than the cell before the chromosomes were duplicated? No‚ because if it is duplicated‚ it would have the same number of chromosomes unless there was a mistake. Why do chromosomes condense before
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Student Handout Response Sheet: Used with Lab 5 Activity #2 Question Set (The Structure & Function of GeneChip Microarrays) Directions: The following questions go with Activity #2 reading on the structure and function of GeneChip microarrays. Answer each question as thoroughly and detailed as possible. Part I – Intro‚ and Gene Expression Microarrays (1) What is gene expression? What can affect gene expression? • When a gene is used to build an mRNA copy (transcription) which is then
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new A number of factors influence the brain structures and functions associated with the motivation to refrain from using drugs. The dynamics involved include intrinsic and extrinsic motivation‚ heredity‚ and environmental forces. In general‚ internal motivation is considered to be associated with long-term behavior modification‚ whereas the successful outcome of external motivation can be short lived (Pubs.niaaa.nih‚ 2010).Motivational assessment suggests a considerable challenge. To bring about
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have a huge impact on the communication between cells. Cell communication is a crucial process necessary for cells to carry out various functions. Drugs such as Methylenedioxymethamphetamine (MDMA)‚ known as ecstasy‚ can create barriers or confusion to cells. Cell to cell communication carry messages from signaling cells to target cells. Usually a cell will bind with a target cell through a receptor protein in the plasma membrane of the target cell
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The cell is the fundamental structural unit of all living organisms. Some cells are complete organisms‚ such as the unicellular bacteria and protozoa; others‚ such as nerve‚ liver‚ and muscle cells‚ are specialized components of multi-cellular organisms. Cells range in size from the smallest bacteria-like mycoplasmas‚ which are 0.1 micrometer in diameter‚ to the egg yolks of ostriches‚ which are about 8 cm (about 3 in) in diameter. Although they may differ widely in appearance and function‚ all cells
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Cells are considered the basic units of life in part because they come in discrete and easily recognizable packages. That’s because all cells are surrounded by a structure called the cell membrane. The cell is the very smallest unit of living matter. All living things including plants and animals are made up of cells. Cells are made of atoms‚ which are the smallest units of matter. There are many different kinds of cells. The two kinds you are most likely to be familiar with are animal and plant
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Discuss the structure of the plasma membrane and explain the process of active and passive transport through the membrane. The plasma membrane is made up of proteins that form pores and channels‚ carbohydrate molecules that are used for cell recognition and cholesterol to provide membrane stability. Phospholipid molecules are the most abundant component found in the plasma membrane. Phospholipids molecules are composed of a phosphate head and a lipid tail; the structure of a cell membrane is
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