A microspore that is isolated out of a pollen sac, and given nutrients in a test...
A microspore that is isolated out of a pollen sac, and given nutrients in a test tube, will develop into a pollen grain with a cell wall being the same as the cell wall of a pollen grain that develops inside of a pollen sac.
Do you agree with this statement? Explain your answer
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A microspore that is isolated out of a pollen sac, and given
nutrients in a test...
May you please help me with a short answers please. Also I dont need explanation for...
May you please help me with a short answers please. Also
I dont need explanation for the answer.
Thank you.
Microscope Slides 1. Examine a prepared slide of a longitudinal section through a mature pine pollen cone. Label a pollen sac in Figure 15.7a and a pollen grain in Figure 15.7b. A pollen grain has a central body and two attached hollow bladders. How do these help in the dispersal of pine pollen? One pollen grain cell will divide to...
b ory Marvel Observation Flowering Plant Life Cycle Use Figure 10.6 as a guide to describe...
b ory Marvel Observation Flowering Plant Life Cycle Use Figure 10.6 as a guide to describe the life cycle of flowering plants 1. The parts of the flower involved in reproduction are the and the 2. The there the top of the same has two sacs, which produce - by meiosis. 3. Within an ovule, a megaspore mother sellepoes meliosis to produce four three of which die 4. A microspore underpoes mitosis and becomes a - the male gametophyte. 5....
I just need to fill in the blanks for this paper. If it is too long...
I just need to fill in the blanks for this paper. If it is too long of a question, I understand... just help if you can. Embryogenesis and plant life cycle Plant life cycle shows both similarities and also major differences from animal life cycle. In both cases ……….. (haploid/diploid) (1N/2N) organism goes through to ……….. (mitosis/ meiosis) to produce gametes, but plant life cycle has an extra step in which it produces a ……….. (diploid/haploid) plant before it produces...
1. When you look at a pine or maple tree, the plant you see is a...
1. When you look at a pine or maple tree, the plant you see is a _____. 2. The Brazil nut tree, Bertholletia excels (n = 17), is native to tropical rain forests of South America. It is a hardwood tree that can grow to over 50 meters tall, is a source of high-quality lumber, and is a favorite nesting site for harpy eagles. As the rainy season ends, tough-walled fruits, each containing 8-25 seeds (Brazil nuts), fall to the...
In this experiment, you will measure the rate of photosynthesis in isolated chloroplasts using the dye...
In this experiment, you will measure the rate of photosynthesis
in isolated chloroplasts using the dye 2,6-dichloroindophenol
(DPIP). The transfer of electrons during the light-dependent
reaction results in the production of H+. This H+ ion can reduce
DPIP, changing its color from blue to clear. The color can be
quantitatively measured with a spectrophotometer. However, in this
experiment, you will qualitatively analyze your data.
Write a detailed conclusion for your experiment. How did light
affect the time it took for...
Q3: As people envision moving out into space in the future, one possibility is living in...
Q3: As people envision moving out into space in the future, one possibility is living in some sort of space station and not on a planet. But without a planet, yoiu would have continual weightlessness which is not tolerated very long by the human body. One way to get around this is to imagine taking a very large diameter tube and bending it into a circle (like a doughnut). The people would live inside the tube and you could create...
You want to test the effects of different antibiotics on protein synthesis. You set up three...
You want to test the effects of different antibiotics on protein synthesis. You set up three test tubes to carry out protein synthesis in vitro. After letting protein synthesis proceed, you add the following to the tubes: Tube A - No antibiotic Tube B - Antibiotic B Tube C - Antibiotic C (1) Please state the results shown below. (2) Given the results, which step of translation may be most likely affected by Antibiotic B? Explain your answer. (3) Give...
In 2019, there were 12489 people who took a standardized test. The test score was given...
In 2019, there were 12489 people who took a standardized test. The test score was given out of 100 points. There were 9138 test takers who got a score of 63 or greater. (Round to 2 decimal places) About what percentile was a score of 63 for this standardized test in 2019? Round your answer to one decimal place. If you were taking the standardized exam and wanted to do well on it, would you rather have your score be...
please give an explanation for question 31 thank you! 31. GIVEN: Anion Q has an equilibrium...
please give an explanation for question 31 thank you!
31. GIVEN: Anion Q has an equilibrium potential of -60 mV. a. (2 pts) Is Q in greater concentration inside or outside the cell? Explain your answer. Q is greater consentration Instre of the cell. This is because Q is a ano is trying to enter the cell, where to making it regate b. (2 pts) If the cell is at rest (with a membrane potential of -70 mV), would the...
Explain your answer in terms of LeChatelier's principle. c) The above solution is divided equaly into three test tu...
Explain your answer in terms of LeChatelier's principle. c) The above solution is divided equaly into three test tubes A, B. and Test tube "A is placed in an ice bath kept at 0 "C, test tube "B is kept at room temperature (25 °C) and test tube "C is placed in a boiling hot water bath maintained at 100 "C. The folowing are the colors of the solutions observed in each case. Solution "A" remained pink, solution "B" became...
May you please help me with a short answers please. Also
I dont need explanation for the answer.
Thank you.
Microscope Slides 1. Examine a prepared slide of a longitudinal section through a mature pine pollen cone. Label a pollen sac in Figure 15.7a and a pollen grain in Figure 15.7b. A pollen grain has a central body and two attached hollow bladders. How do these help in the dispersal of pine pollen? One pollen grain cell will divide to...
b ory Marvel Observation Flowering Plant Life Cycle Use Figure 10.6 as a guide to describe the life cycle of flowering plants 1. The parts of the flower involved in reproduction are the and the 2. The there the top of the same has two sacs, which produce - by meiosis. 3. Within an ovule, a megaspore mother sellepoes meliosis to produce four three of which die 4. A microspore underpoes mitosis and becomes a - the male gametophyte. 5....
In this experiment, you will measure the rate of photosynthesis
in isolated chloroplasts using the dye 2,6-dichloroindophenol
(DPIP). The transfer of electrons during the light-dependent
reaction results in the production of H+. This H+ ion can reduce
DPIP, changing its color from blue to clear. The color can be
quantitatively measured with a spectrophotometer. However, in this
experiment, you will qualitatively analyze your data.
Write a detailed conclusion for your experiment. How did light
affect the time it took for...
Q3: As people envision moving out into space in the future, one possibility is living in some sort of space station and not on a planet. But without a planet, yoiu would have continual weightlessness which is not tolerated very long by the human body. One way to get around this is to imagine taking a very large diameter tube and bending it into a circle (like a doughnut). The people would live inside the tube and you could create...
You want to test the effects of different antibiotics on protein synthesis. You set up three test tubes to carry out protein synthesis in vitro. After letting protein synthesis proceed, you add the following to the tubes: Tube A - No antibiotic Tube B - Antibiotic B Tube C - Antibiotic C (1) Please state the results shown below. (2) Given the results, which step of translation may be most likely affected by Antibiotic B? Explain your answer. (3) Give...
please give an explanation for question 31 thank you!
31. GIVEN: Anion Q has an equilibrium potential of -60 mV. a. (2 pts) Is Q in greater concentration inside or outside the cell? Explain your answer. Q is greater consentration Instre of the cell. This is because Q is a ano is trying to enter the cell, where to making it regate b. (2 pts) If the cell is at rest (with a membrane potential of -70 mV), would the...
Explain your answer in terms of LeChatelier's principle. c) The above solution is divided equaly into three test tubes A, B. and Test tube "A is placed in an ice bath kept at 0 "C, test tube "B is kept at room temperature (25 °C) and test tube "C is placed in a boiling hot water bath maintained at 100 "C. The folowing are the colors of the solutions observed in each case. Solution "A" remained pink, solution "B" became...
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