Phloem mass flow Study guides, Revision notes & Summaries

what is passive immunity and how is it produced? - ANSWER produced by the introduction of antibodies into individuals from an outside source. immunity is acquired immediately. no contact with pathogen/s needed. short term immunity: antibodies aren't replaced when broken down, memory cells not formed. e.g. anti-venom what is active immunity and how is it produced? - ANSWER produced by stimulating the production of antibodies by the individuals own immune system. contact with pathogen/s...

University of Minnesota: BIOL 1901 Biology 150 Notes Properties of organisms: o Highly ordered o Use energy o Genetic information o Reproduce o Composed of cells • (about) ~ 1.5 million species named • Up to 100 million total species • Classified into 3 domains or 6 kingdoms o Kingdoms: Plantae, fungi, Animalia, Protista, Eubacteria, Archaebacteria o Domains: Archaea, Bacteria, and Eukarya CELL THEORY • All living organisms are composed of one or more cells. • ...

University of Minnesota: BIOL 1901 Biology 150 Notes Properties of organisms: o Highly ordered o Use energy o Genetic information o Reproduce o Composed of cells • (about) ~ 1.5 million species named • Up to 100 million total species • Classified into 3 domains or 6 kingdoms o Kingdoms: Plantae, fungi, Animalia, Protista, Eubacteria, Archaebacteria o Domains: Archaea, Bacteria, and Eukarya CELL THEORY • All living organisms are composed of one or more cells. • ...

abiotic - ANSWER pertaining to the nonliving parts of an ecosystem, such as soil particles, bedrock, air, water. abscisic acid (ABA) - ANSWER a plant hormone that stimulates stomatal closure and promotes seed and bud dormancy. abscission zone - ANSWER a wall of cells at the base of a petiole, that allows the leaf to separate from the stem. - two functions: leaf drop and to protect the region of the stem against desiccation acceptable risk - ANSWER the amount of risk that an owner is...

Altimeter - Answer- an instrument that uses air pressure to record height Anemometer - Answer- an instrument to measure wind speed Angiosperm - Answer- a group of plans that produce seeds enclosed within an ovary, which may mature into a fruit Annuals - Answer- plants that die after one growing season Asexual Reproduction - Answer- reproduction involving only one parent Atmosphere - Answer- Earth's is primarily nitrogen and oxygen; the troposphere extends from the surface to abou...

summary of plant transport of module 3 including phloem, xylem, transpiration and translocation

AQA BIOLOGY PAPER 2(2023 correct answers) a technician investigated the effect fo temperature on the rate of an enzyme-controlled reaction. At each temperature, he started the reaction using the same concentration of substrate. Give three other factors the technician would have controlled. 1 mark - CORRECT ANSWER-pH enzyme concentration volume of substrate Explain the difference in the initial rate of reaction at 60 degrees and 37 degrees. 2 marks - CORRECT ANSWER-at 60 degrees ...

WSU Biology 106 Final Exam QUESTIONS AND CORRECT DETAILED ANSWERS Three basic plant organs - ANSWER- roots, stems, leaves roots - ANSWER- Absorbs water and minerals from the ground. Anchors plant in ground. Stems - ANSWER- Carry substances between roots and leaves; provide support for plant; holds leaves up to sunlight leaves - ANSWER- The main photosynthetic organs of vascular plants. Nodes - ANSWER- the points at which leaves are attached internodes - ANSWER- the stem segments betw...

1 BIOS 1108 MODULE 3 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Cell Signaling Pathway Correct Answer: "RaceCAR" - Reception of signaling molecule (ligand) to specfiic receptor - protein-to-protein Communication (transduction); ex: receptor-to-enzyme, kinase-totarget -signal Amplification typically with second messengers (cAMP, etc) -sgnal response nuances: tissue/cell-type specific responses, signal crosstalk Direct Signaling Correct Answer: communicati...

WSU Biology 106 Exam 1 Questions And Aswers Three basic plant organs - ANSWER- roots, stems, leaves roots - ANSWER- Absorbs water and minerals from the ground. Anchors plant in ground. Stems - ANSWER- Carry substances between roots and leaves; provide support for plant; holds leaves up to sunlight leaves - ANSWER- The main photosynthetic organs of vascular plants. Nodes - ANSWER- the points at which leaves are attached internodes - ANSWER- the stem segments between nodes axillary bud -...