A plant with variegated (two-coloured) leaves was left in the sun for several hours. A piece of one of its leaves were then detached (removed) and tested for sugar.

Explain, as fully as you can, why the yellow region of the leaf had not produced sugar. (5 marks)

Will give brainliest
Please help

Answers

Answer 1

Answer:

It does not contain chlorophyll which is needed to absorb light or energy.

Answer 2

Answer:

The parts without chlorophyll do not photosynthesise, and so they do not make starch and the iodine does not change colour.

The green parts contain chlorophyll and photosynthesise to make starch.

The white part of the leaf does not contain chlorophyll, so does not photosynthesise.

Explanation:


Related Questions


Pluto dwells on the inner edge of the

A. Oort Cloud

B. Main asteroid belt

C. Kuiper belt

Answers

The answer will be C. Kuiper Belt

What would you expect to happen if sea otters were
removed from this food web? Check all that apply.
The population of elephant seals would decrease.
The population of kelp crabs would increase.
The population of kelp would increase.
The population of sea urchins would decrease.

Answers

Answer:The population of kelp crabs would increase

Explanation:

According to the question, The population of kelp would increase.

A food web consists of all the food chains in a single ecosystem.

What is a food web give example?

A food web is formed by many food chains operating together. A food web operating in a grassland. Five food chains are possible in this food web, Grass → Grasshopper → Rat → Fox.

Thus, option "B" is correct.

To learn more about food web click here:

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This pyramid represents
1 point
India Population (2001)
100+
95-99
Male
Female
75.79
20-20
650
5550
60 50 40 30 20 10 0 10 20 30 40 50 60
Population (in millions)
slow growth, developing country
rapid growth, developed country
rapid growth, developing country
d
slow growth, developed country

Answers

Answer:

rapid growth, developed country

What group behavior is being displayed by the cattle grouping together?

Answers

Answer:

It is called a social behavior.

Explanation:

Group behavior is a term that expresses the manner of behavior among two or more interacting specie of organism to achieve a purpose. Various organisms show different group behaviors.

When cattle group together, they display a herding ungulates as the behavioral group. They come together to achieve a particular objective which could be for protection, survival, feeding etc. Thus forming a social group and interact among themselves.

Find the area o o
Trabezium whose parallel
sides are 57cm & 33cm and the distance between
them is 13cm​

Answers

Answer:

585 cm²

Explanation:

base lengths= 57 cm and 33 cm

height= 13 cm

area= 1/2(57+33)*13= 585 cm²

[tex]\huge{\mathfrak{\purple{Question}}}[/tex]

Find the area of Trapezium whose parallel

sides are 57cm & 33cm and the distance between them is 13cm

[tex]\huge{\mathfrak{\purple{Answer}}}[/tex]

585 cm²

[tex]\huge{\mathfrak{\purple{Explanation}}}[/tex]

Given

Sides of Trapezium ( Length )= 57 and 33 cmDistance Between them ( Height ) = 13 cm

To find Area of Trapezium

Formula of Area of Trapezium

Formula of Area of Trapezium = 1/2 X ( Sum of Length ) X Height

= 1/2 X ( 57 + 33 ) X 13

= 1/2 X 90 X 13

= 585 cm²

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Darwin noticed that birds that were good at finding scarce food in the winter had a better chance of surviving and producing offspring. What did he call this struggle for existence?

Answers

Answer:

Natural selection.

Explanation:

Survival of the fittest

In the water cycle, matter moves towards the pull of gravity during
- infiltration and evaporation
- transformation and infiltration
- evaporation and transpiration
* CORRECT ANSWER:*
- D: evaporation and transpiration

Answers

Answer:

evaporation and transpiration

Explanation:

The water eventually is released to the atmosphere as vapor via the plant's stomata — tiny, closeable, pore-like structures on the surfaces of leaves. Overall, this uptake of water at the roots, transport of water through plant tissues, and release of vapor by leaves is known as transpiration

Why is the use of iodised salt advisable?

Answers

Answer:

as iodine is necessary for our body......

Explanation:

Iodized salt is advisable due to the iodine it contains.Iodine is a mineral that is essential for the body,it helps prevent goiter. (the inflammation and swelling of the thyroid gland)

I hope this helps you.

Which term is defined as a place where plates move apart (mostly in the sea but also on land

Answers




The Answer is


Rift Valley

what is a body plan (bio)

Answers

a body plan is a group of structural and developmental characteristics that can be used to identify a group of animals, such as a phylum.all of the members of a particular group share the same body plan at some point during their development—in the embryonic, larval, or adult stage.

mark as brainliest pls

Answer:

body plan. a set of morphological and developmental traits. Animal Overview. -mulitcellular eukaryotes. -heterotrophs that ingest their food.

Explanation:

A body plan, Bauplan, or ground plan is a set of morphological features common to many members of a phylum of animals. The vertebrate body plan is one of many: invertebrates consist of many phyla.

HOPE IT HELPS : D

What is the meaning of morant system as used in rabbit keeping?

Answers

Answer:

the design of rabbit hutches is based on this system

Explanation:

it provides a mixture of grazing area and a solid floor for sleeping

Answer: Rabbits can be grazed outside when there is plenty of green grass. This system is known as the morant system and in this case, a morant hutch is used. A moran t22 hutch is a basketlike cage which is built and transferred to different grazing areas. Rabbits are omnivorous animals that eat many food types.

what words are missing? help pls


Two types of technological devices used to obtain data from remote regions of Earth’s biosphere are _______and ________ .

Answers

Answer:

Satellites

Localised instruments.

Explanation:

Satellites are technological device that is use to provide information from.some region of the Earth's biosphere like oceans , clods, lands e.t.c.It uses radar or optical sensor to capture images on the Earth. Satellite orbits round bigger objects.

Localised instruments are technological devices that is also use to provide information about the Earth's biosphere.

When seedless plants die, the decaying plants are compressed into a substance called:

A. fuel
B. peat
C. energy

Answers

Answer:

C.peat

Explanation:

When seedles plants die, the waterlogged soil slows the decay process. Over time, these decaying plants are compressed into a substance called peat

Answer:

the answer is part A

Explanation:

Can fossil conservation take place on asphalt?

Answers

Answer:

nope

Explanation:

On nights when we see the new Moon phase, what side of the moon are we seeing?

Answers

Answer:

The side of the moon that isn't lit

Explanation:

Because that side of the moon isn't lit then that's what we're seeing

10. Which of the following groups of organisms are prokaryotic? (Choose all that apply)
Archaea
Or
Plants
Or bacteria
Or fungi

Answers

Answer:

Archaea bacteria

Explanation:

just search each answer choice asking if its eukaryotic or prokaryotic and it will tell you

Bacteria and Archaea are groups of organisms that are prokaryotic, which means that their cells do not have cellular organelles or a delimited nucleus in the cytoplasm.

The prokaryotic cell is characterized by not having a cell nucleus, therefore its ribosomes are smaller and its genetic material simpler.

Prokaryotes are, in most cases, unicellular microorganisms.

The bacteria is a unicellular and prokaryotic microorganism, which means that it does not have a nucleus, they are a few micrometers long and various shapes including spheres (cocci), rods (bacilli) and helices (spirils).

A diversity of unicellular microorganisms that make up the archaea kingdom lacking nuclei (prokaryotes) is known as archaea.

Their cells are surrounded by a covering (cell wall) made of various materials that give them high resistance against antibiotics or other harmful substances.

Therefore, we can conclude that bacteria and archaea are groups of organisms that are prokaryotic, which do not have a defined nucleus and or organelles surrounded by a membrane.

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Search around your house. Name two examples of
objects that show mechanical energy.

Answers

Answers:

Riding a bicycle and sharping a pencil

Explanation:

Hornworts have only one _______ in each of their cells.

A. membrane
B. ribosome
C. chloroplast

Answers

Answer:

C

Explanation:

Hornworts has only one chloroplast

“A student sees several ants walking up a wall following the exact same trail that an ant took earlier. She wants to apply the scientific method the determine how the ants detected the trail. Which of these players would come first in her application of scientific method “
Please help

Answers

Answer:

Choice 4.

Explanation:

After asking the question, the next step in the scientific method is to make your hypothesis.

What do scientists believe provides evidence for the Big Bang theory?
A. The gradual spreading of the ocean floors along plate boundaries
B. the presence of the main asteroid belt
C. The core accretion theory of planet formation
D. The presence of cosmic microwave background radiation?

Answers

The presence of cosmic microwave background radiation is evidence for the Big Bang theory given by scientists. The correct option is D.

What is Big bang theory?

The Big Bang theory exemplifies how the universe came into existence from a high density and temperature starting point.

It is the dominant cosmological model that explains the evolution of the observable universe from its earliest known periods to its subsequent large-scale form.

According to scientists, the universe should be filled with radiation that is literally the remnant heat from the Big Bang, which is known as the "cosmic microwave background," or CMB.

Thus, the correct option is D.

For more details regarding Big Bang theory, visit:

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do honey bee produce propolis?​

Answers

Answer:

Propolis or bee glue is a resinous mixture that honey bees produce by mixing saliva and beeswax with exudate gathered from tree buds, sap flows, or other botanical sources. It is used as a sealant for unwanted open spaces in the hive.

Explanation:

Explain why food webs are more stable than food chains

Answers

Answer:

Food webs are more stable than food chains because i one species died or became extinct there would be other options for the other organisms to all back on.

Example:

The mouse became extinct, the snake now eats bunnies because they are their other prey.

addison disease
1. what are the symptoms
2. who can it affect the most
3. what other issuses it can cause
4. what medication or changes in diet or lifstyle can help with symptoms relief
HELP ME PLEASE!

Answers

Answer: Addison disease is an adrenal insufficiency. This occurs because of the fact that adrenal gland produces very low quantity of hormones like cortisol, and aldosterone.

Explanation:

1. The symptoms of addison disease are loss of appetite, increased thirst, low mood, and muscle fatigue.

2. The addison disease is an autoimmune reaction, which can affect people of all age groups.

3. It can cause other diseases like tuberculosis.

4. The hormone replacement therapy is ideal for the treatment for addison disease. The use of oral corticosteroids is ideal. The diet containing balanced proteins, carbohydrates, fats, increased intake of vegetables including vitamins, and minerals are necessary for treatment of addison disease.

How does crossing over create new gene combinations on each chromosome

Answers

Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and different chromosomes segregate independently of each other.

Answer:

Crossing-over

At which point does warm air begin to rise before colliding with cold air?

Answers

At which point does warm air begin to rise before colliding with cold air. 3

Answer:

3

Explanation:

what is one similarity between replication and transcripton

Answers

Answer: both unwind the double helix to start the process

both use complementary base pairing

5% of $20

somebody help me pls​

Answers

5% of $20 is $1; 5% off $20 is $19

Which energy source contributes least to global warming?

Answers

Answer:

ITS D

Geothermal energy is generally considered environmentally friendly and does not cause significant amounts of pollution. ... Harnessing geothermal energy does not involve any fuels, which means less cost fluctuations and stable electricity prices. Small footprint on land – can be built partially underground.

The environmental effects of geothermal development and power generation include the changes in land use associated with exploration and plant construction, noise and sight pollution, the discharge of water and gases, the production of foul odours, and soil subsidence.

SO YOU SEE THE ANSWER IS D

HOPE I HELPS PLEASE MARK ME BRAINLIEST.

Explanation:

Answer:

D: Geothermal.

Which is an ion found in a glass of water?
O
A. 02

B. N+
C. H+
D. 0-
SUBMIT

Answers

i am pretty sure its C. H+ im sorry if im wrong tho :(

Identify the strengths and weaknesses of Mendel’s Law of Independent Assortment.

Answers

Answer:

Explanation:

Mendel propel two laws The law of inheritance and that of independent assortment of gene.

Independent assortment of gene explain that alleles of a gene assort independently and that different Allele can show different phenotypic effect and differences. This means that in a gene where we have 2 allele they can both show individual difference where one can have a dominant effect over the other and the other allele is recessive.

This law does not take care of linked gene where alleles don't separate after crossing over sister chromatids but are rather inherited together given rise to complex inheritance.

Pleiotrophy effect of a gene where a gene is having many effects.

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