Biology Final
UDHS Biology final
Terms
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- Cnidaria
- cells organized into tissues had a few simple organs
- Transcription
- the process where genetic information is copied from DNA to RNA
- What is a saprophyte
- organism that feeds on dead organic material
- Theodore Schwann
- Discovered all animals have cells
- Playhelminthes
- had three germ layers
- Ribosome
- organizes the synthesis of protiens
- Mitochondrion
- Transfers energy from organic compounds to ATP
- What are the functions ofplant stems
- Support, Transport, provider
- chromosomes
- DNA and protien in a coiled rod-shaped form
- Sepal
- protects flower
- DNA Replication
- two nucleotide chains separated by unwinding and each chain serves as a template
- Xylem
- Carries water and inorganic nutrients
- Vacuole
- stores enzymes and waste products
- G2
- cell prepares for division
- What are the two parts all viruses contain?
- Nucleic acid (DNA or RNA not both) and a protein coat
- Phloem
- carries organic compounds
- Robert Brown
- First to identify the nucleus
- Enzyme
- a catalyst, usually a protein in a living system
- Osmosis
- diffusion of water
- Proteins are long chains of what molecules bonded together?
- Polypeptides
- Mitotic (M Phase)
- eukaryotic nuclear division
- Selectively permeable
- allows some things to pass and others to not
- G1
- cells grow to mature cells
- what are the functions of roots
- anchor the plant, absorb water, absorb and dissolve minerals
- annelida
- most segmented
- Stigma
- traps pollen (tip of style)
- Cortex
- a mature ground tissue
- Lipase
- proffreading DNA or RNA before its finalized
- Chloroplast
- site of Photosynthesis
- Nucleus
- stores hereditary information in DNA, the brain of the cell
- cytoplasm
- area between cell membrane and nucleus
- Nucleolus
- where ribosomes are synthesized
- What are the levels of classification in order?
- Kingdom, Phylum, Class, Order, Family, Genus, Species
- Active transport
- movement of a substance across a cell membrane against a concentration gradient
- Matthais Schleiden
- Discovered all plants have cells
- Rough ER
- prepares proteins for export
- Cell wall
- supports and protects cell
- Smooth ER
- breaks down toxic substances
- Nematoda
- holds internal organs tores egg and sperm
- S
- DNA is copied
- passive transport
- movement of substances across the cell membrane without using the cells energy
- diffusion
- where cells move from an area of reater consentration to lesser consentration
- Stamen
- Male reproductive strudture(consists of anther)
- Mollusca
- soft bodied with hard shell
- What are the three parts of the cell theory?
- 1) All living things are composed of cells 2) Cells are the basic units of life 3) cells come from other prexisting cells
- Interphase
- cells spend most of their time in this phase
- Lysosome
- digests molecules, old organelles and foreign substances
- Rudolph Virchow
- Discovered cells come from prexisting cells
- Pistil
- consists of female reproductive organ
- Robert Hooke
- First to use the term 'cell'
- What are the three parts of a nucleotide
- Phosphate, sugar(dexyribose), and a nitrogous base
- Cell membrane
- controls what goes in and out of the cell
- What are the functions of leaves
- Primary site of photosynthesis
- What are the stages of a viral infection
- Attachment, Injection, Integration, Cell multiplication
- Translation
- assembling polypeptides from information coded to RNA
- Golgi apparatus
- process and packages substantes produced by the cell
- Arthropoda
- appentages eyes and muscles`
- Porifera
- first multicelluar
- Gamete
- reproductive cell
- List the three charasterics for fungi
- Eukarayotic, nonphotosynthic, multicelluar
- Centriole
- appears during mitosis in animal cells