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92 Cards in this Set

  • Front
  • Back
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9 characteristics of Living Things

1. Reproduce


2. Growth


3. Repair


4. Produce Energy


5. Store Substances


6. Removes Waste


7. Transport Raw


8. Respond to the Materials in environment


9. Have a life span

Cell Theory

(i) all living things are composed of one or more cells


(ii) the cell is the smallest living things


(iii) new cell arise only from cells that already exis

Hierarchy of Cells

1. Cell


2.Tissue


3.Organ


4.Organ System


5.Organism

Is the smallest living thing unit and is the basic building block of organisms

Cells

Groups of cells that have a similar structure and perform a specific function example is nerve tissue

Tissue

Types of tissue that carry out a particular function like brain

Organ

Organs that working together to perform a function like nerve system

Organ System

Organs system working together example Human

Organisms

Do not have a nucleus instead it have a nucleoi and it lack of membrane-bound organelles

Prokaryotic Cells

Is irregularly shape within the prokaryote that contains all or most of the genetic material

Nucleoid

It have a true nucleus and have an enough organelles

Eukaryotic Cells

It is a long threads of genetic material that contain genetic/heredity and it is found inside the nucleus

Chromosomes

Are sort of master plan that specifies how the cell should develop.

Chromosomes

It’s job is to chemically bond the animo acids together

Ribosomes

Chromosomes are composed of _______ and proteins called DNA

Nuclei Acids

In order for the cell to use the information coded by the parts of DNA, it must be first be ______ from the original set of instructions.

Copied

These short-stranded copies from one of the two DNA strands in the nucleus are made from?

Rinonucleic Acdid (RNA)

The codes in the cells DNA act as a?

Blueprint

_____ copies represent detailed messages that can be transported of the nucleus since DNA is to valuable to _____ the nucleus

RNA, leave

Composed of chains of smaller molecules called animo acids

Proteins

Is the process in which cells make proteins.

Protein Synthesis

Is the transfer of genetic instructions in DNA to RNA in nucleus

Transcription

One of the two stages in protein synthesis

After the mRNA is ______, it carries the instructions to a ribosome in the ______.

Processed, Cytoplasm

Occurs at the ribosome which consists of RNA and proteins.

Translation

In, translation, the instructions in mRNA are read and Erna bring the correct sequence of _____ at the ribosomes

Animo Acids

Are building blocks used to make proteins and these proteins can be either used ______ in the cell or packaged and shipped off to other cells.

Animo Acids, directly

There are _____ different animo acids

20

Are called “little organs” and has a membrane enclosed structure that have a specific function and it is found mostly in cytoplasm.

Organelles

Involves the structures within the cell such as the phospholipid layer and proteins sliding past each other it has a flexible cell membrane.

Fluid Mosaic Model

Fluid inside the cells

Intracellular Fluid (ICF)

Fluid that occupies the space between cells and tissues.

Extracellular Fluid (ECF)

Fluid in between of the body cells

Interstitial Fluid

Surrounds the entire cell and it regulates what goes in and out of the cell

Cell Membrane

The cell membrane holds and ______ all the contents found inside the cell from outside the cell.

separates

Any molecules or substances can pass through the cell membrane

Permeable

Are those which only let solvents, such as water pass through.

Semi-permeable

Does not allow any substances to pass through the cell membrane

Impermeable

Is a lipid made of phosphate liquid head group - glycerol and two fatty acid tails and is densely packed together forming a ______ to barrier that does not allow a certain size of molecules enters the cell

Phopholipid, wall

Four Main Components that make up the cell membrane

Are made up of glycerol and phosphate-liked head and has a properties of hydrophilic (water loving)

Phospholipid head

Two fatty acid tails/chains and has a properties of hydrophobic (water hating)

Phospholipid Tails

Are the 2nd main component and they form gates within the phospholipid bilayer

Proteins

4 main components that make up the cell membrane

Attach to lids (glycolipid) and proteins (glycroprotein), found outside the of the cell and act as a recognition.

Carbohydrates

4 main components that make up the cell membrane

It maintains the membrane plurality and it is found in the core middle of the double-membrane

Cholesterol

4 main components that make up the cell membrane

A rough spherical organelle found near the centre of the cell, it is the brain or the control centre of the cell that contains DNA/genetic information

Nucleus

Each cell has a total of ____ chromosome and ___ pairs

46, 23

Have a genetic instructions to code different characteristics and traits in body, it also help produce proteins and other molecules that help the cell to function

Genes

Is a dark, dense structure composed of DNA, protein, fibres and granules, and it responsible for making ribosomes

Nucleolus

An area between the cell membrane and nucleus, and this area contains all the organelles of cells

Cytoplasm

Is a watery fluid found within the Cytoplasm

Cytosol

Responsible for producing energy or cell powerhouse of the cell. In addition to the nucleus it is the only other organelle that has its own DNA.

Mitochondria

The way cell produces energy in Mitochondria is through the process called?

Cellular Respiration

Vesicles with a protein are sent ______


Vesicles with a lipid inside are sent to ______


Vesicles with food particles in them are sent _____

Golgi Bodies


Other parts of the cell


Lysosome

Vesicles and its contents are released into an organelle

Endocytosis

Vesicle is released out from the organelle/cell and it travels towards the plasma membrane.

Exocytosis

Is a 3D network branching tubes that send vesicles with molecules inside to different parts of the cells and responsible for producing proteins that are synthesized by ribosomes

Endoplasmic Reticulum

Smooth ER _______ ribosomes


Rough ER______ ribosomes

Do not have


Have

Receive, modify, transport and release proteins produced by ER

Golgi Bodies

If the proteins are to be used by the cell, the Golgi bodies _____ them into vesicle and send them to cell membrane to be _____

Packages, exported

Form a digestive enzymes that can break down large molecules into smaller ones


Made by the Rough ER and Golgi Bodies

Lysosomes

Have similar structure to lysosome and contain strong enzymes that are formed in cytoplasm, its main job it to break down long fatty acids and also detoxify alcohols.

Peroxisomes

A sac that is filled with water, nutrients and dissolved minerals and [large in plant] and [small in animak]

Vacuole

Network of microfilaments and microbes made out of proteins, it maintains cell shape and help support the cell, it requires energy in order to move

Cytoskeleton

It is made up of cellulose and pectic and its main job is to protects and support the plant cell

Cell Wall

Is a jelly-like substance that helps to bind cells together.

Pectic

Plants produce sugars (autotrophs) and store starch— their own food.

Plastids

Create and store pigments (different colours like red, yellow, orange)

Chromoplasts

Colourless plastids that store starch and sugars

Amyplasts

Two or more substance that are dissolved in fluid

Solution

Any material that has been dissolved (salt)

Solute

The substance that exists in the larger amount to dissolves the solute (H2O)

Solvent

Movement of particles from high to low concentration

Diffusion

Equilibrium is eventually established when there are _____ distributed particles.

equally

Smaller particles are affected by temperature easily.

Particle’s size

Higher temperature increase the rate of diffusion

Temperature

Increase in concentration difference and rate of diffusion

Concentration Difference

Particles are closer to cell membrane the increase of rate of diffusion

Diffusion distance

Not require energy — from high to low

Passieve Transport

Movement of small particles that directly pass through the lipid bilayer, not need to go through protein channel

Simple Diffusion

Molecules are too large to pass the phospholipid bilayer, transport/carrier protein can be inhibited to blocked

Facilitated Diffusion

Requires energy (ATP) — from low to high and this energy comes from the mitochondria.

Active Transport

The diffusion of stare through a selectively permeable and water is small enough to fit through phospholipid and does not need a carrier/transport protein.

Osmosis

Equal — fluid of the cell has the same amount of dissolved ions inside

isotonic

High — Fluid cell is high in the dissolved concentration

Hypertonic

Low — fluid of the cell is lower in the dissolves ion concentration.

Hypotonic

Producing offspring from a single parent, in which the offspring have the exact genetic information

Asexual Reproduction

Cell simply copies its DNA and then splits into two giving a copy of its DNA to eat of the daughter cell.

Binary fission

Process of producing offspring by the union of 2 different parent organism and the offspring genetic make up is different from a parent since it obtain half of their genetic from the 2 parents.

Sexual Reproduction

Majority of the chromosomes (44 out of 46) are not involves in determining the sex of the organism. All genes that make up various traits such as hair colour.


Pairs (#1-23) chromosomes

Autosomes

All cells of the body except for sex cells, take part in the information of the organism formed in mitosis and has 46 chromosomes


Have a diploid # (means double = 2n) = human diploid number is 26 chromosomes (2n=46)

Somatic Cells

These cells only come into play when you want to make baby which the ____ will be providing you 23 chromosomes


Have a haploid # (means half=n) half of the diploid # which is 23 chromosomes (n=23)

Gametes / sex cells

Offers 22 chromosomes + 1 gender [X]

Female (egg)

Offers 22 chromosomes + 1 gender (X) or (Y)

Male (sperm)