Asked By: Angel Ward Date: created: Jan 24 2021

What are sources and sinks in plants

Answered By: Devin Kelly Date: created: Jan 26 2021

‘Source’ is the part of a plant where substances are produced (e.g.

leaves for sucrose, amino acids) or enter the plant.

‘Sink’ refers to the part of the plant where the substrate can be stored (e.g.

roots or stem for starch).

Sources: Leaves – sucrose is produced here..

Asked By: Xavier Ross Date: created: Jul 30 2021

What do you mean by source and sink

Answered By: Daniel Lee Date: created: Aug 01 2021

Functionally a plant can be divided into source and sink, sources being the parts where net fixation of carbon dioxide occurs, and sinks being the sites where assimilates are stored or used. Allocation of assimilates between plant parts occurs via transport in the phloem.

Asked By: Horace Alexander Date: created: Mar 16 2021

What is the meaning of source

Answered By: Nathan Coleman Date: created: Mar 18 2021

noun. any thing or place from which something comes, arises, or is obtained; origin: Which foods are sources of calcium? the beginning or place of origin of a stream or river. a book, statement, person, etc., supplying information. the person or business making interest or dividend payments.

Asked By: Hunter Martin Date: created: Feb 21 2021

What is source and sink in thermodynamics

Answered By: Fred Brooks Date: created: Feb 22 2021

A reservoir that supplies energy in the form of heat is called a source and one that absorbs energy in the form of heat is called a sink. For example, atmospheric air is a source for heat pumps and a sink for air conditioners.

Asked By: Hunter Williams Date: created: Aug 15 2021

What are source cells and sink cells

Answered By: Nathaniel Lewis Date: created: Aug 16 2021

Source cells are cells that produce sugars and pump them into the phloem, whereas sink cells are cells that do not make enough sugars for their own growth and metabolism and must import them from the phloem. The mechanism of phloem translocation is described in a model of phloem function called the pressure flow model.

Asked By: Kevin Bennett Date: created: Apr 17 2021

Why can a root be both a source and a sink when it comes to sugar transport

Answered By: Robert Edwards Date: created: Apr 17 2021

A root growing through the soil can’t do photosynthesis. The embryo needs sugar to grow, but it can’t make it for itself. So it’s a sink for sugar and has low turgor pressure. Enzymes break down the starch stored in the seed, converting it to sugars.

Asked By: Juan Clark Date: created: Jan 16 2022

What is source and sink in translocation

Answered By: Kyle Powell Date: created: Jan 16 2022

Translocation is the movement of organic compounds (e.g. sugars, amino acids) from sources to sinks. The source is where the organic compounds are synthesised – this is the photosynthetic tissues (leaves) The sink is where the compounds are delivered to for use or storage – this includes roots, fruits and seeds.

Asked By: Philip Taylor Date: created: Aug 07 2021

What is the difference between a carbon source and sink

Answered By: Dennis Diaz Date: created: Aug 09 2021

A carbon source is something that releases carbon into the atmosphere, and a sink is something that removes carbon from the atmosphere.

Asked By: Leonars Jones Date: created: Apr 09 2021

What is difference between sinking and sourcing

Answered By: Roger Kelly Date: created: Apr 10 2021

Sinking and Sourcing are terms used to define the control of direct current flow in a load. A sinking digital I/O (input/output) provides a grounded connection to the load, whereas a sourcing digital I/O provides a voltage source to the load. … The digital input provides the load required for the circuit to work.

Asked By: Ralph Moore Date: created: Mar 12 2022

What is a source and sink

Answered By: Louis Bryant Date: created: Mar 14 2022

Sink and Source are terms used to define the flow of direct current in an electric circuit. A sinking input or output circuit provides a path to ground for the electric load. A sourcing input or output provides the voltage source for the electric load.

Asked By: Malcolm Henderson Date: created: Apr 12 2021

What is the purpose of the Casparian strip

Answered By: Samuel Green Date: created: Apr 13 2021

The role of the Casparian strip has been proposed to prevent backflow of water and nutrients into the soil, but as mutant plants lacking the Casparian strip only have weak phenotypes, the view that it serves an essential function in plants has been challenged.

Asked By: Seth Lee Date: created: May 24 2021

What is sink and source in electronics

Answered By: Cole Murphy Date: created: May 26 2021

Sink and source refer to the direction of current flow between an I/O point on an I/O module and the connected device. It is only relevant for DC circuits with positive and negative polarities since current flows both directions in an AC circuit.

Asked By: Bernard Scott Date: created: Mar 29 2021

What is a source-sink metapopulation

Answered By: Ashton White Date: created: Mar 30 2021

Source-sink systems are metapopulations of habitat patches with different, and possibly temporally varying, habitat qualities, which are commonly used in ecology to study the fate of spatially extended natural populations.

Asked By: Jackson Parker Date: created: Feb 06 2021

Are leaves sources or sinks

Answered By: Cameron Howard Date: created: Feb 06 2021

Some organs are both a source and sink. Leaves are sinks when growing and sources when photosynthesizing. Rhizomes are sinks when growing but become sources in the spring when they provide energy for new growth.

Asked By: Horace Simmons Date: created: Dec 21 2021

Are flowers sources or sinks

Answered By: Owen Morris Date: created: Dec 21 2021

Sinks include areas of active growth (apical and lateral meristems, developing leaves, flowers, seeds, and fruits) or areas of sugar storage (roots, tubers, and bulbs). Storage locations can be either a source or a sink, depending on the plant’s stage of development and the season.

Asked By: Brandon Sanders Date: created: Apr 16 2021

What is the source sink theory

Answered By: Curtis Campbell Date: created: Apr 17 2021

Source–sink dynamics is a theoretical model used by ecologists to describe how variation in habitat quality may affect the population growth or decline of organisms. … The second patch, the sink, is very low quality habitat that, on its own, would not be able to support a population.

Asked By: Tyler Evans Date: created: Apr 19 2022

Can roots be a source

Answered By: Henry Cox Date: created: Apr 22 2022

Sources include the leaves, where sugar is generated through photosynthesis. When they are high in supplies, the nutrient storage areas, such as the roots and stems, can also function as sources.

Asked By: David Cook Date: created: Jul 04 2021

What is a sink node

Answered By: Jason Perez Date: created: Jul 04 2021

A sink node or a base station is basically a designated device similar to the normal sensor nodes but more powerful. … The energy required to route a message to the sink node, for each and every sensor node depends on the distance from the sink node and number hops that message will have to travel.

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