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3 Jun 2018

What is the benefit of a seed storing nutrients for the plant embryo, if the plant is already acquiring its food through photosynthesis?

Based on your knowledge of auxin production and how gravity and light affect plants, what would likely occur if a seed is planted upside down with a light source below the plant?

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Deanna HettingerLv2

4 Jun 2018

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Related questions

Photosynthesis Lab Report

Plant Structure and Function

Through the process called __________ plants convert lightenergy into

__________ energy. Record your answerbelow.

In which structure of the plant does photosynthesis occur?

What is the difference between xylem and phloem?

Based on lab, Exercise 1, what is the name and function of thestructure labeled with the letter âHâ?

Chloroplast

Based on Lab, Exercise 2, draw and label each part of thechloroplast. Sign, date and prepare an image of your drawing andinclude it with this lab report.

What part of the process of photosynthesis occurs in thethylakoid compartment?

What is the name and function of the structure labeled with theletter âEâ in Exercise 2?

Photosynthetic Products

What are the three products of photosynthesis?

What happens to the glucose that is not metabolizedimmediately?

In the test for starch, which tube demonstrated a positive testfor starch? How do you know?

Based on Lab, Exercise 3 explain why part of the leaf was amberin color.

Light Absorption

What pigment is used by plants to absorb light?

In the video demonstration in Exercise 4 what happens to thelight spectrum when a green filter is placed in front of the lightsource?

In step 3 of Exercise 4, which color was not absorbed by thespinach pigments?

Photosynthetic Pigments

What process is used in Exercise 5 to separate the plantpigments?

Look at the chromatogram results in Exercise 5. What color isreflected by chlorophyll a?

Which pigment reflected an orange color?

VI. Effect of Light and Temperature onPhotosynthesis

What was the conclusion of Blackmanâs first experiment on theeffect of light on photosynthesis?

In his second experiment, what effect did increasingtemperature have on the rate of photosynthesis?

Record the data from Exercise 6 below.

Lamp Distance	Temperature	Ave Bubble/min
75 cm
50 cm
25 cm

In the experiment in Exercise 6, what conclusion can be drawnabout the effect of light and temperature on rate ofphotosynthesis?

Summary Questions

Why do heterotrophs depend on autotrophs?

Name two reactants necessary for photosynthesis to occur.

How would the process of photosynthesis be affected if a planthad no stomata?

What tool is used to separate white light into differentwavelengths of color?

Explain why we see the color green on the leaves ofplants.

What color is absorbed the least by the petals on asunflower?

Photosynthesis consists of two phases. Which phase would beleast affected by living in an area where there are shorter daysand long periods of darkness?

How could air pollution affect food production and the priceyou pay for food at the supermarket?

peachtoad655

If you want a specific plant, let's say the snap peas I amgrowing that I bought at Agway. I noticed that they grow towardsthe light source through the nearby window. Also I think roots workthe same way for water/minerals. also don't various kinds of antsfind food conceptually identically?

How much of this is true? Please correct:

I think analogous to ant colonies, plants will attempt to growevery which way initially, and will only continue growing indirections that give the most/enough light/water/minerals. If adirection is or becomes unfruitful, that section withers. After theinitial state the plant will start branching in directions off oflocations on still growing sections of plants and that cyclecontinues until none of the plant can be supported and the wholething withers (perennials) or slows its metabolism down to thepoint where it could survive those conditions until they picked upagain (such as winter seasonal survival of tree species). Also, itis not as if they decide which direction to go in. that type ofdecision would forgo going in another direction. And not sure, butI don't think plants have decision capabilities anyways. they growin directions they grow best.

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