BIOL 140 Final: Untitled spreadsheet
Get access
Related Documents
Related Questions
THIS IS PART A OF A QUESTION WITH ITS SUBPARTS
What approach could be used to determine if nitrogen availability in the soil directly limits the nutrient concentration of Metrosideros polymorpha leaves?
a)draining water from experimental plots where M. polymorpha is present | ||||||||||
b) adding a known quantity of nitrogen to several experimental plots where M. polymorpha is present | ||||||||||
c) removing leaf litter from a non-forested experimental plot and placing it into another where M. polymorpha is present | ||||||||||
d) removing leaf litter from several experimental plots where M. polymorpha is present | ||||||||||
e) Nutrient concentration in leaves cannot be accurately measured. Decomposition would be highest in which of the following ecosystems?
Which of the following is a result found by Dr. Schuur in this study? View Available Hint(s) Which of the following is a result found by Dr. Schuur in this study?
|
Why does soil oxygen concentration have a direct relationship to decomposition rates?
View Available Hint(s)
Why does soil oxygen concentration have a direct relationship to decomposition rates?
a. Soil oxygen reduces the presence of soil fungi (e.g., mycorrhizae). |
b. Soil oxygen influences the concentration of carbon dioxide available to leaves. |
c. Soil oxygen affects the uptake of nutrients by plant roots. |
d. Soil oxygen allows microbes to break down carbon molecules. |
e. Soil oxygen affects the uptake of water by plant roots. |
The limiting factor on net primary productivity (NPP) in species-rich, lowland ecosystems is __________.
a. carbon
b. nitrogen
c. phosphorus
d. precipitation
e. soil oxygen
For the following strand of DNA, use the table below to provide: bases for the complementary mRNA and the associated amino acids. What do you notice about the genetic code for proline in the peptide? How would the loss of the first G or switching that G to a T affect the structure and function of this protein?
DNA: GGC CTA CAA GCC GGA ACA GTT ACC GCG TAA CGA
RNA: ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???
Amino Acid:??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???
(3 Letters)
Genetic Code Table (mRNA)
1st position (5' end) | 2nd position (middle) | 3rd position (3' end) | |||
U | C | A | G | ||
U | Phe F Phe F Leu L Leu L | Ser S Ser S Ser S Ser S | Tyr Y Tyr Y STOP STOP | Cys C Cys C STOP Trp W | U C A G |
C | Leu L Leu L Leu L Leu L | Pro P Pro P Pro P Pro P | His H His H Gln Q Gln Q | Arg R Arg R Arg R Arg R | U C A G |
A | Ile I Ile I Ile I Met M | Thr T Thr T Thr T Thr T | Asn N Asn N Lys K Lys K | Ser S Ser S Arg R Arg R | U C A G |
G | Val V Val V Val V Val V | Ala A Ala A Ala A Ala A | Asp D Asp D Glu E Glu E | Gly G Gly G Gly G Gly G | U C A G |
Match each term with its definition. Each term or definition is used only once
|
|