Tropism - Study guides, Class notes & Summaries

Tropism Answer Plant movement by growth. Direction of response depends on direction of stimulus Phototropism Answer Tropic movement in response to light Gravitropism Answer Tropic movement in response to gravity Chemotropism Answer Tropic movement in response to a chemicsl Thigmotropism Answer Tropic movement in response to contact Hydrotropism Answer Tropic movement in response to water Taxes Answer The movement of an animal towards or away from stimulus from one direction ...

cambium thin sheath of dividing cells that produces the cells which become the vascular system of the tree, xylem and phloem xylem conduct water, support weight, store carbohydrates, defense against spread of disease Phloem moves carbohydrates from leaves throughout tree for storage cork cambium second lateral meristem which produces the bark; periderm. symplasm living cells inside xylem apoplasm non-living cells inside xylem tracheids elongated n...

NAPLEX: HIV Exam Questions & Answers, rated A+ When is AIDS diagnosed? - -at CD4 <200 cells and/or presence of opportunistic infection How is HIV spread? - -Blood, semen, vaginal secretions, rectal secretions, and breast milk Vertical transmission (mother to child) After how many weeks is the viral load high enough for HIV RNA and antigens to be detected? - -~2 weeks When can antibodies be detected in most patients? - -4-12 weeks; sometimes up to 6 months What is the name of the at-...

Which mutant has a greatly increased number of stem cells in the shoot apical mersistem? A mutant that has NO functional WUS. A mutant that has NO functional PIN protein. A mutant that has NO functional CLAVATA3. A mutant that has NO functional WOX5. - Answer A mutant that has NO functional CLAVATA3. Choose a tropism. State how the environmental cue is perceived AND explain how perception causes growth to be redirected towards or away from the cue. - Answer Phototropism occurs when a ...

HIV is an ____ retrovirus that uses machinery in ______ cells to replicate - ANSWER-RNA retrevirus; uses CD4+ T helper cells AIDS is diagnosed when: __________ or _________ - ANSWER-CD4 count <200 OR presence of an AIDS-defining condition (i.e. opportunistic infections or Kaposi's sarcoma) HIV can be transmitted through (5) - ANSWER-blood, semen, vaginal secretions, anal secretions, breast milk CDC recommends HIV screening for ________ (who and how often). - ANSWER-everyone aged 13-...

What does abiotic mean? - Non-living What does biotic mean? - living What is the definition of tropism? - Growth response to a stimulus What are some examples of an abiotic stimuli? - Light, water, gravity What are some examples of biotic stimuli? - touch, chemicals What is phototropism? - A plant's response to light What is geotropism? - a plant's response to gravity What is hydrotropism? - A plant's response to water/moisture What is thigmotropism? - a plant's response to touch Wh...

Arborist Certification Test Prep, With Complete Solution 2023 meristems site of rapid cell division in the shoot tips, root tips, and cambium: apical meristems located at the end of the shoots are called primary, or _________________ meristems apical dominance the tendency for terminal buds to inhibit the growth of lateral buds is called ________________ leaves the food factories of trees are the ______________ photosynthesis the process of ______________ combines carbon dioxide and ...

MMSC 360 Exam 3- Questions & Answers (100% Correct) MMSC 360 Exam 3- Questions & Answers (100% Correct) General Characteristics of Viruses- Introduction - ANSWER - -'Filterable' - filter infectious material, filter causing infection smaller than bacteria -Viruses are only active inside host cell - cannot replicate outside of a host cell --Obligate intracellular parasite (OIP) General Characteristics of Viruses- Living vs. Nonliving - ANSWER - -Viruses are acellular - do not have a tru...

What does abiotic mean? - correct answer Non-living What does biotic mean? - correct answer living What is the definition of tropism? - correct answer Growth response to a stimulus What are some examples of an abiotic stimuli? - correct answer Light, water, gravity What are some examples of biotic stimuli? - correct answer ...

AQA A Level Topic 6 Organisms and response Stimulus A change in an organism's surroundings that causes the organism to react Receptor Detect stimulus. Specific to one type of stimulus. Effector an organ or cell that acts in response to a stimulus. Stimulus response pathway Stimulus - receptor - coordinator - effector - response taxis Movement toward or away from a stimulus. Direction of response determined by direction of the stimulus. positive taxis negative taxis Photota...