Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 2.4, Problem 1CS
Core Skill: Connections Look ahead to Figure 54.14. The plant life shown growing in part (b) of that figure is sparse because the soil is very acidic. If the pH of the soil were 5.0, what would the H+ concentration be?
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Chemistry of Water
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Under normal conditions root hair cells are relatively low in water
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Draw arrows to show water movement between the soil water, the root
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EXPERIMENT : GRAVIMETRIC ANALYSIS OF PHOSPHORUS IN PLANT FOOD
I want at lest 10 Precautions for this experiment
v Question Completion Status:
QUESTION 17
What is the ultimate source of energy that allows water to get to the top of very tall trees?
OA. The sun
OB. Glucose
OC The Greenhouse Effect
OD.A bacon double cheeseburger
QUESTION 18
What characteristic does water have that allows it to be pulled to the top of trees with a very large negative pressure (i.e, tension)?
OA A high tensile strength
OB. Pure water is tasteless
OC Gravity will make water flow downhill
OD. It is clear
QUESTION 19
The light reactions of photosynthesis occur in which part of the chloroplast?
O A. Stomates
O B. Stroma
OC. Mitochondria
O D. Thylakoid membranes
Chapter 2 Solutions
Biology
Ch. 2.1 - Before the experiment conducted by Ernest...Ch. 2.1 - What was the hypothesis tested by Rutherford?Ch. 2.1 - Prob. 3EQCh. 2.1 - Explain the difference between an electron shell...Ch. 2.2 - Core Skill: Modeling The goal of this modeling...Ch. 2.2 - Prob. 1CCCh. 2.3 - When oil dissolves in a soapy solution, where is...Ch. 2.4 - Core Skill: Connections Look ahead to Figure...Ch. 2 - _______________ make(s) up the nucleus of an atom....Ch. 2 - Prob. 2TY
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- EXPERIMENT : GRAVIMETRIC ANALYSIS OF PHOSPHORUS IN PLANT FOOD Aim: To determine the amount of phosphorus in a commercial plant food Objectives:.......... I want Objectives for this experimentarrow_forwardName Date: Instructions: Create a line graph for all tables provided on the blank graphs provided. Mark an appropriate scale before plotting your data. Identify the dependent and independent variables. 1. Data Table Length of Root Tips in Solution With Aluminum Time Length of Root Tips in Solution Without Aluminum lons (mm) 2.0 2.2 2.4 2.8 2.9 3.2 3.7 3.9 (hr) lons (mm) 2.0 2.1 2.2 2.4 1 3 4 2.6 2.7 6 2.8 2.8 Growth of Wheat Root Tips O= Root tips in solution with aluminum ions A= Root tips in solution without aluminum ions Time (hr) The dependent variable is The independent variable is Length of Root Tips (mm)arrow_forwardMAKE CONNECTIONS Note three ways the propertiesof water contribute to soil formation. See Concept 3.2.arrow_forward
- I need help with this chartarrow_forwardQUESTION 7 Which of the following applies to soil horizons? O They are organized in layers called A, B, C, and R They differ in chemical, physical, and biological properties and depth O They differ only in physical and biological, but not in chemical properties O The soil texture ôf the different horizons gets finer with depth O The soil texture of the different horizons gets coarser with depth QUESTION 8 Blue light receptors trigger the following: Chloroplast orientation to optimize light absorption Direct roots to grow away from blue light O Plants responding to phototropins O Plants grow towards a light source O All of the abovearrow_forwardAccording to the water potential values shown in the image, which ones are wrong and why? W air (22 °C, 50% HR) -100 MPa Cas V sheet -0.2 MPa W stem -0.01 MPa to -0.1 MPa W soil -1 MPa to -0.51 MPa -4 MPa W root -0.1 MPa toarrow_forward
- 43. Two soil samples, A & B, at same soil moisture levels are placed in contact with each other. Water will more likely move from soil B to soil A if their osmotic potentials, expressed in kPa, are: O A=-30; B=-70 O A=-10; B=+10 O A=-60; B=-10 O A=-50; B=-100 OA=-20%; B=-20arrow_forwardJust need help answering this question.arrow_forwardSome seeds (tomato, for example) had been germinated and the seedling grew for 2 weeks in soil, where the soil water potential was maintained at -0.2 bars. The plants were then divided into 5 groups and each group subjected to a different soil water potential as follows: Group 1: 0 bars Group 2: -0.03 bars Group 3: -0.2 bars Group 4: -3.0 bars Group 5: -5.0 bars At the end of three weeks at these various soil water potentials, the plants that would have made the least growth would be expected in which group? Question 11 options: Group 3 Group 1 Group 2 Group 4 Group 5arrow_forward
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