1.The Light Reactions Part 1: Interactive Lyrics
[qwiz]
[h]Interactive Lyrics: The Light Reactions Part 1
[i]These are the lyrics to Photosynthesis: The Light Reactions, Part 1, organized into a fill-in-the-blanks quiz. Reading like this will deepen your understanding of how photosynthesis works. Give it a try!
[q labels = “top”]
Organisms like plants that ________________
Chemically combine water with carbon dioxide
Making ______________ and oxygen too,
That’s why photosynthesis should matter to you!
The light reactions are photosynthesis’s first phase
The output’s ATP and ________
O2‘s the by-product, and as you can see
The inputs are water, and ____________.
Using up the ATP and the NADPH,
While absorbing CO2 (it’s carbon ________)
Photosynthesis, what a sensation
[l]Calvin
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[l]carbohydrates
[fx] No, that’s not correct. Please try again.
[f*] Good!
[l]fixation
[fx] No. Please try again.
[f*] Great!
[l]light energy
[fx] No. Please try again.
[f*] Correct!
[l]NADPH
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[l]photosynthesize
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[q labels = “top”]
Light reactions
happening in leaves
Making _______
NADPH and ATP.
Through a _____-charged
current of electricity
Converted into _________ energy
[l]chemical
[fx] No, that’s not correct. Please try again.
[f*] Good!
[l]oxygen
[fx] No. Please try again.
[f*] Great!
[l]solar
[fx] No, that’s not correct. Please try again.
[f*] Excellent!
[q labels = “top”]
Chloroplasts are the photosynthesizing organelle.
You can find them in leaves, in a ___________ cell,
Inside chloroplasts is a fluid called ______,
it’s true everywhere, from Tokyo to Roma.
The stroma bathes tiny sacs called __________,
Membrane bound sacs, with a tiny space inside,
The thylakoid’s membrane is loaded with protein
It’s the _____________’ main scene
It also has pigments like green ____________
Orange carotenoids and yellow xanthophylls
These pigments _______ light that’s mostly red and blue
The green is not absorbed it reflects back to you.
[l]absorb
[fx] No. Please try again.
[f*] Correct!
[l]chlorophylls
[fx] No, that’s not correct. Please try again.
[f*] Great!
[l]light reactions
[fx] No, that’s not correct. Please try again.
[f*] Great!
[l]mesophyll
[fx] No. Please try again.
[f*] Good!
[l]stroma
[fx] No. Please try again.
[f*] Good!
[l]thylakoids
[fx] No, that’s not correct. Please try again.
[f*] Good!
[q labels = “top”]
Every chlorophyll has a __________ ring,
With magnesium atoms in the that center of that thing.
In the light reactions that magnesium gets pinged,
By photons, making its _________ zing,
Notice the chlorophyll’s tail — a ____________ chain
Which anchors chlorophyll into the thylakoid membrane.
A molecule with style, so pretty,
In the thylakoid, it makes __________.
[l]electricity
[fx] No. Please try again.
[f*] Excellent!
[l]electrons
[fx] No, that’s not correct. Please try again.
[f*] Excellent!
[l]hydrocarbon
[fx] No, that’s not correct. Please try again.
[f*] Good!
[l]porphyrin
[fx] No, that’s not correct. Please try again.
[f*] Excellent!
[q labels = “top”]
Engelmann showed us the _______ spectrum
He used a prism to break the sun’s
Light into its many different _______,
Shone it on an algae called Cladophora
The O2 algae makes will stimulate bacteria
Which will grow in any _______ rich area
Bacteria loved it over blue and red
But hardly grew over ______, they might as well be dead!
[l]action
[fx] No, that’s not correct. Please try again.
[f*] Great!
[l]colors
[fx] No, that’s not correct. Please try again.
[f*] Good!
[l]green
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[l]oxygen
[fx] No. Please try again.
[f*] Good!
[q labels = “top”]
This line of growth, it’s a reflection,
Of _______________ action spectrum
Note this doesn’t match exactly
The absorption spectra of ___________ a or b.
‘Cause the carotenoids and ____________ we´ve met
Absorb light frequencies the chlorophylls can´t get
And in the _________, they all cooperate!
In making ATP and NADPH
[l]chlorophyll
[fx] No. Please try again.
[f*] Excellent!
[l]photosynthesis’s
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[l]thylakoid
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[l]xanthophylls
[fx] No. Please try again.
[f*] Correct!
[/qwiz]
2. Light Reactions, Part 1, Flashcards
Flashcard Set 1
[qdeck random = “true”]
[h]The Light Reactions Part 1: Flashcard Set 1
[i]If you haven’t used a set of flashcards on sciencemusicvideos before, here’s what you need to know.
- Click ‘Check Answer’ to see the answer to each card.
- If you know it, click ‘Got it.”
- If you don’t know it as well as you’d like, click ‘Need more practice,’ and that card will go to the bottom of the deck so you can practice it again.
- ‘Shuffle’ lets you shuffle the deck.
[!]++++Card 1a++++[/!]
[q]During _________, organisms use light energy to combine water and carbon dioxide in order to produce carbohydrates. The by-product is oxygen.
[textentry]
[a]During photosynthesis, organisms use light energy to combine water and carbon dioxide in order to produce carbohydrates. The by-product is oxygen.
[!]++++Card 2a++++[/!]
[q]During photosynthesis, organisms use light energy to combine water and __________ in order to produce carbohydrates. The by-product is oxygen.
[textentry]
[a]During photosynthesis, organisms use light energy to combine water and carbon dioxide in order to produce carbohydrates. The by-product is oxygen.
[!]++++Card 3a++++[/!]
[q]Photosynthesis is the source of the _______ in Earth’s atmosphere.
[textentry]
[a]Photosynthesis is the source of the oxygen in Earth’s atmosphere.
[!]++++Card 4a++++[/!]
[q]Photosynthesis absorbs the gas ____________.
[textentry]
[a]Photosynthesis absorbs the gas carbon dioxide.
[!]++++Card 5a++++[/!]
[q]Photosynthesis has two phases: the ___________ and the Calvin Cycle
[textentry]
[a]Photosynthesis has two phases: the light reactions and the Calvin Cycle
[!]++++Card 6a++++[/!]
[q]The inputs of the light reactions are water, and _____ energy. The outputs are ATP and NADPH. The by-product is oxygen.
[textentry]
[a]The inputs of the light reactions are water, and light energy. The outputs are ATP and NADPH. The by-product is oxygen.
[!]++++Card 7a++++[/!]
[q]The inputs of the light reactions are water, and light energy. The outputs are ATP and NADPH. The by-product is ______.
[textentry]
[a]The inputs of the light reactions are water, and light energy. The outputs are ATP and NADPH. The by-product is oxygen.
[!]++++Card 8a++++[/!]
[q]The inputs of the Calvin Cycle are ATP, NADPH, and ___________. The product is carbohydrate.
[textentry]
[a]The inputs of the Calvin Cycle are ATP, NADPH, and carbon dioxide. The product is carbohydrate.
[!]++++Card 9a++++[/!]
[q]The Calvin Cycle uses the products of the ___________ in order to create carbohydrates.
[textentry]
[a]The Calvin Cycle uses the products of the light reactions in order to create carbohydrates.
[!]++++Card 10a++++[/!]
[q]The key organelle involved in photosynthesis is the _________.
[textentry]
[a]The key organelle involved in photosynthesis is the chloroplast.
[!]++++Card 11a++++[/!]
[q]________ is a type of photosynthesizing tissue found in the middle of a leaf.
[textentry]
[a]Mesophyll is a type of photosynthesizing tissue found in the middle of a leaf.
[!]++++Card 12a++++[/!]
[q]The fluid found inside of a _________ is called stroma.
[textentry]
[a]The fluid found inside of a chloroplast is called stroma.
[!]++++Card 13a++++[/!]
[q]Within a chloroplast, the stroma bathes tiny sacs called ________.
[textentry]
[a]Within a chloroplast, the stroma bathes tiny sacs called thylakoids.
[!]++++Card 14a++++[/!]
[q]The primary site of the light reactions is the thylakoid ________.
[textentry]
[a]The primary site of the light reactions is the thylakoid membrane.
[!]++++Card 15a++++[/!]
[q]The primary light absorbing pigment involved in photosynthesis is ________.
[textentry]
[a]The primary light absorbing pigment involved in photosynthesis is chlorophyll.
[!]++++Card 16a++++[/!]
[q]Chlorophyll absorbs red and ____ light, and reflects green light.
[textentry]
[a]Chlorophyll absorbs red and blue light, and reflects green light.
[!]++++Card 17a++++[/!]
[q]At the “head” of a chlorophyll molecule is a porphyrin ring composed of linked __________ atoms. The ring has a magnesium atom at its center.
[textentry]
[a]At the “head” of a chlorophyll molecule is a porphyrin ring composed of linked nitrogen atoms. The ring has a magnesium atom at its center.
[!]++++Card 18a++++[/!]
[q]In the light reactions, the atom in chlorophyll that provides the _______ for electron flow is magnesium.
[textentry]
[a]In the light reactions, the atom in chlorophyll that provides the electrons for electron flow is magnesium.
[!]++++Card 19a++++[/!]
[q]The chlorophyll’s “tail” consists of a hydrocarbon chain that ______ chlorophyll into the thylakoid membrane.
[textentry]
[a]The chlorophyll’s “tail” consists of a hydrocarbon chain that anchors chlorophyll into the thylakoid membrane.
[!]++++Card 20a++++[/!]
[q]The action spectrum shows which ____ frequencies produce the most photosynthesis.
[textentry]
[a]The action spectrum shows which light frequencies produce the most photosynthesis.
[!]++++Card 21a++++[/!]
[q]Engelmann’s experiment showed that most photosynthetic activity was generated by ____ and red light.
[textentry]
[a]Engelmann’s experiment showed that most photosynthetic activity was generated by blue and red light.
[!]++++Card 22a++++[/!]
[q]The absorption spectrum shows which light _________ are absorbed by the pigments involved in photosynthesis.
[textentry]
[a]The absorption spectrum shows which light frequencies are absorbed by the pigments involved in photosynthesis.
[x]
[restart]
[/qdeck]
Flashcard Set 2
[qdeck random = “true”]
[h]The Light Reactions Part 1: Flashcards Set 2
[i]START
[!]++++Card 1b++++[/!]
[q]During photosynthesis, organisms use _____ energy to combine water and carbon dioxide in order to produce carbohydrates. The by-product is oxygen.
[textentry]
[a]During photosynthesis, organisms use light energy to combine water and carbon dioxide in order to produce carbohydrates. The by-product is oxygen.
[!]++++Card 2b++++[/!]
[q]During photosynthesis, organisms use light energy to combine water and carbon dioxide in order to produce __________. The by-product is oxygen.
[textentry]
[a]During photosynthesis, organisms use light energy to combine water and carbon dioxide in order to produce carbohydrates. The by-product is oxygen.
[!]++++Card 3b++++[/!]
[q]Photosynthesis is the source of the oxygen in Earth’s __________.
[textentry]
[a]Photosynthesis is the source of the oxygen in Earth’s atmosphere.
[!]++++Card 4b++++[/!]
[q]Photosynthesis _______ the gas oxygen
[textentry]
[a]Photosynthesis releases the gas oxygen
[!]++++Card 5b++++[/!]
[q]Photosynthesis has two phases: the light reactions and the ___________
[textentry]
[a]Photosynthesis has two phases: the light reactions and the Calvin Cycle
[!]++++Card 6b++++[/!]
[q]The inputs of the light reactions are water, and light energy. The outputs are ____ and NADPH. The by-product is oxygen.
[textentry]
[a]The inputs of the light reactions are water, and light energy. The outputs are ATP and NADPH. The by-product is oxygen.
[!]++++Card 7b++++[/!]
[q]The inputs of the Calvin Cycle are ____, NADPH, and carbon dioxide. The product is carbohydrate.
[textentry]
[a]The inputs of the Calvin Cycle are ATP, NADPH, and carbon dioxide. The product is carbohydrate.
[!]++++Card 8b++++[/!]
[q]The inputs of the Calvin Cycle are ATP, NADPH, and carbon dioxide. The product is __________.
[textentry]
[a]The inputs of the Calvin Cycle are ATP, NADPH, and carbon dioxide. The product is carbohydrate.
[!]++++Card 9b++++[/!]
[q]The Calvin Cycle uses the products of the light reactions in order to create ___________.
[textentry]
[a]The Calvin Cycle uses the products of the light reactions in order to create carbohydrates.
[!]++++Card 10b+++(these two questions were cut)+[/!]
[!]++++Card 12b++++[/!]
[q]The fluid found inside of a chloroplast is called _____.
[textentry]
[a]The fluid found inside of a chloroplast is called stroma.
[!]++++Card 13b++++[/!]
[q]The primary site of the _____ reactions is the thylakoid membrane.
[textentry]
[a]The primary site of the light reactions is the thylakoid membrane.
[!]++++Card 14b++++[/!]
[q]The primary ____ absorbing pigment involved in photosynthesis is chlorophyll.
[textentry]
[a]The primary light absorbing pigment involved in photosynthesis is chlorophyll.
[!]++++Card 15b++++[/!]
[q]Chlorophyll _______ red and blue light, and reflects green light.
[textentry]
[a]Chlorophyll absorbs red and blue light, and reflects green light.
[!]++++Card 16b++++[/!]
[q]Chlorophyll absorbs red and blue light, and reflects _____ light.
[textentry]
[a]Chlorophyll absorbs red and blue light, and reflects green light.
[!]++++Card 17b++++[/!]
[q]At the “head” of a chlorophyll molecule is a porphyrin ring composed of linked nitrogen atoms. The ring has a ____________ atom at its center.
[textentry]
[a]At the “head” of a chlorophyll molecule is a porphyrin ring composed of linked nitrogen atoms. The ring has a magnesium atom at its center.
[!]++++Card 18b++++[/!]
[q]In the light reactions, the atom in chlorophyll that provides the electrons for electron flow is _________.
[textentry]
[a]In the light reactions, the atom in chlorophyll that provides the electrons for electron flow is magnesium.
[!]++++Card 19b++++[/!]
[q]The chlorophyll’s “tail” consists of a hydrocarbon chain that anchors chlorophyll into the thylakoid ________.
[textentry]
[a]The chlorophyll’s “tail” consists of a hydrocarbon chain that anchors chlorophyll into the thylakoid membrane.
[!]++++Card 20b++++[/!]
[q]The action spectrum shows which light frequencies produce the most ____________.
[textentry]
[a]The action spectrum shows which light frequencies produce the most photosynthesis.
[!]++++Card 21b++++[/!]
[q]Engelmann’s experiment showed that most photosynthetic activity was generated by blue and ___ light.
[textentry]
[a]Engelmann’s experiment showed that most photosynthetic activity was generated by blue and red light.
[!]++++Card 22b++++[/!]
[q]The absorption spectrum shows which light frequencies are absorbed by the ________ involved in photosynthesis.
[textentry]
[a]The absorption spectrum shows which light frequencies are absorbed by the pigments involved in photosynthesis.
[x]
[restart]
[/qdeck]
Flashcard Set 3
[qdeck random = “true”]
[h]The Light Reactions Part 1: Flashcards Set 3
[i]START
[!]++++Card 1c++++[/!]
[q]During photosynthesis, organisms use light energy to combine _____ and carbon dioxide in order to produce carbohydrates. The by-product is oxygen.
[textentry]
[a]During photosynthesis, organisms use light energy to combine water and carbon dioxide in order to produce carbohydrates. The by-product is oxygen.
[!]++++Card 2c++++[/!]
[q]During photosynthesis, organisms use light energy to combine water and carbon dioxide in order to produce carbohydrates. The by-product is ______.
[textentry]
[a]During photosynthesis, organisms use light energy to combine water and carbon dioxide in order to produce carbohydrates. The by-product is oxygen.
[!]++++Card 3c++++[/!]
[q]Photosynthesis ______ the gas carbon dioxide.
[textentry]
[a]Photosynthesis absorbs the gas carbon dioxide.
[!]++++Card 4c++++[/!]
[q]Photosynthesis releases the gas ______
[textentry]
[a]Photosynthesis releases the gas oxygen
[!]++++Card 5c++++[/!]
[q]The inputs of the light reactions are _____, and light energy. The outputs are ATP and NADPH. The by-product is oxygen.
[textentry]
[a]The inputs of the light reactions are water, and light energy. The outputs are ATP and NADPH. The by-product is oxygen.
[!]++++Card 6c++++[/!]
[q]The inputs of the light reactions are water, and light energy. The outputs are ATP and ______. The by-product is oxygen.
[textentry]
[a]The inputs of the light reactions are water, and light energy. The outputs are ATP and NADPH. The by-product is oxygen.
[!]++++Card 7c++++[/!]
[q]The inputs of the Calvin Cycle are ATP, ______, and carbon dioxide. The product is carbohydrate.
[textentry]
[a]The inputs of the Calvin Cycle are ATP, NADPH, and carbon dioxide. The product is carbohydrate.
[!]++++Card 8c++++[/!]
[q]The ___________ uses the products of the light reactions in order to create carbohydrates.
[textentry]
[a]The Calvin Cycle uses the products of the light reactions in order to create carbohydrates.
[!]++++Card 9c++++[/!]
[q]The key __________ involved in photosynthesis is the chloroplast.
[textentry]
[a]The key organelle involved in photosynthesis is the chloroplast.
[!]++++Card 10c++(dropped)++[/!]
[!]++++Card 11c++++[/!]
[q]Mesophyll is a type of photosynthesizing tissue found in the middle of a ____.
[textentry]
[a]Mesophyll is a type of photosynthesizing tissue found in the middle of a leaf.
[!]++++Card 12c++++[/!]
[q]Within a chloroplast, the _____ bathes tiny sacs called thylakoids.
[textentry]
[a]Within a chloroplast, the stroma bathes tiny sacs called thylakoids.
[!]++++Card 13c++++[/!]
[q]The primary site of the light reactions is the _______ membrane.
[textentry]
[a]The primary site of the light reactions is the thylakoid membrane.
[!]++++Card 14c++++[/!]
[q]The primary light absorbing _______ involved in photosynthesis is chlorophyll.
[textentry]
[a]The primary light absorbing pigment involved in photosynthesis is chlorophyll.
[!]++++Card 15c++++[/!]
[q]Chlorophyll absorbs ___ and blue light, and reflects green light.
[textentry]
[a]Chlorophyll absorbs red and blue light, and reflects green light.
[!]++++Card 16c++++[/!]
[q]At the “head” of a chlorophyll molecule is a ____________ ring composed of linked nitrogen atoms. The ring has a magnesium atom at its center.
[textentry]
[a]At the “head” of a chlorophyll molecule is a porphyrin ring composed of linked nitrogen atoms. The ring has a magnesium atom at its center.
[!]++++Card 17c++++[/!]
[q]In the light reactions, the atom in _________ that provides the electrons for electron flow is magnesium.
[textentry]
[a]In the light reactions, the atom in chlorophyll that provides the electrons for electron flow is magnesium.
[!]++++Card 18c++++[/!]
[q]The chlorophyll’s “tail” consists of a hydrocarbon _____ that anchors chlorophyll into the thylakoid membrane.
[textentry]
[a]The chlorophyll’s “tail” consists of a hydrocarbon chain that anchors chlorophyll into the thylakoid membrane.
[!]++++Card 19c++++[/!]
[q]The _____ spectrum shows which light frequencies produce the most photosynthesis.
[textentry]
[a]The action spectrum shows which light frequencies produce the most photosynthesis.
[!]++++Card 20c++++[/!]
[q]_________ experiment showed that most photosynthetic activity was generated by blue and red light.
[textentry]
[a]Engelmann’s experiment showed that most photosynthetic activity was generated by blue and red light.
[!]++++Card 21c++++[/!]
[q]The _________ spectrum shows which light frequencies are absorbed by the pigments involved in photosynthesis.
[textentry]
[a]The absorption spectrum shows which light frequencies are absorbed by the pigments involved in photosynthesis.
[!]++++Card 22c++++[/!]
[q]The absorption spectrum shows which light frequencies are absorbed by the _________ involved in photosynthesis.
[textentry]
[a]The absorption spectrum shows which light frequencies are absorbed by the pigments involved in photosynthesis.
[x]
[restart]
[/qdeck]
3. Light Reactions Part 1: Interactive Diagrams
[qwiz]
[h]Light Reactions Part 1: Interactive Diagrams
[q labels=”top”]
[l]ADP
[fx] No, that’s not correct. Please try again.
[f*] Great!
[l]ATP
[fx] No, that’s not correct. Please try again.
[f*] Great!
[l]Calvin Cycle
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[l]Carbohydrate
[fx] No. Please try again.
[f*] Correct!
[l]CO2
[fx] No. Please try again.
[f*] Correct!
[l]H2O
[fx] No, that’s not correct. Please try again.
[f*] Excellent!
[l]Light
[fx] No, that’s not correct. Please try again.
[f*] Great!
[l]NADP+
[fx] No. Please try again.
[f*] Excellent!
[l]NADPH
[fx] No. Please try again.
[f*] Excellent!
[l]O2
[fx] No. Please try again.
[f*] Excellent!
[q labels = “top”]
[l]chloroplast membrane
[fx] No. Please try again.
[f*] Good!
[l]thylakoids
[fx] No, that’s not correct. Please try again.
[f*] Great!
[l]stroma
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[q labels = “top”]
[l]hydrocarbon tail
[fx] No, that’s not correct. Please try again.
[f*] Excellent!
[l]magnesium atom
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[l]porphyrin ring
[fx] No, that’s not correct. Please try again.
[f*] Correct!
[q labels = “top”]
[l]Carotenoid absorption spectrum
[fx] No, that’s not correct. Please try again.
[f*] Great!
[l]Chlorophyll a absorption spectrum
[fx] No, that’s not correct. Please try again.
[f*] Excellent!
[l]Chlorophyll b absorption spectrum
[fx] No, that’s not correct. Please try again.
[f*] Good!
[l]Photosynthesis action spectrum
[fx] No. Please try again.
[f*] Correct!
[x]
[restart]
[/qwiz]