Unit 1 Questions. Total: 16 marks 1. How many electrons does Mg2+ have? (1 mark) 10 electrons 2. Given that the half-life of the radioisotope carbon-14 is 5730 years, how useful do you think this isotope would be for dating bones that are over a million years old? (2 marks) 3. Summarize the four major types of biochemical reactions studied in this lesson. For each type give its name, a word summary of what happens during the reaction, and an example of where the reaction might be biologically important. (12 marks) 4. For the following chemical reaction: C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + energy identify a. the substance(s) being oxidized. b. the substance that is reduced. Total: 17 marks 5. For each of the following four macromolecules, …show more content…
Why would muscle cells require more mitochondria than fat cells? (3 marks) 13. Distinguish between diffusion and active transport, in terms of a. energy involvement. (2 marks) b.
Selling of council houses is becoming an increasing issue in the UK as people and even businesses are buying the house out. This means hundreds of family homes are now owned by private landlords or individual people. As a consequence, families are finding it difficult to find family-homes to live in.
List the equation in word and chemical form for each of the following processes: (6 points)
2) Carbon -14 would not be effective at dating bones that are millions of years old. Carbon -14 is effective at dating to a maximum of 40 000 to 50 000 years old. The isotope decays over time and would not be present on bones that are millions of years old.
I tend to agree with you, when employees refuse to adhered to new processes and system it can produce negative results for the company. For example, we have a Caliper line that inadvertently sent a defective part to one of our biggest customers. Fortunately, the customer did not issue an alert because of the mistake. Therefore, we implemented an additional process that the operator must perform before placing the part in the dunnage. However, one particular employee continued to send defective parts out because they refused to follow the new procedures. Consequently, the next time, over 150 parts arrived at the customer with the same defect as before. Unfortunately, our BIQS Level was reduced from Level 3 to Level 1, which means that we cannot
2. Given that the half-life of the radioisotope carbon-14 is 5730 years, how useful do you think this isotope would be for dating bones that are over a million years old?
Write a balanced chemical equation for each reaction #1-8. Classify each reaction using the information provided in the
Just like everything else, women had to fight in order to be part of the jury. In 1870, Wyoming was the first to allow women to be juries. It was in 1957, when all women in the United States were able to be part of the jury. However only with federal court cases not state court, but this still did not stop clerks from refusing to call on women to be part of the jury. Women were still unable to be part of the jury during this time because of their gender. There was research conducted in the 1990’s that found women less aggressive than men and women tended to be more influenced by evidence than men.
D1) Make recommendations in relation to the identified hazards to minimise the risks to the service user.
Two of these barriers are lack of interoperability (the ability to exchange information) among computer systems and privacy issues. The Markle Foundation fosters collaboration in both private and public sectors through an initiative called Connecting to Health, which seeks to improve patient care by promoting standards for electronic medical information. In addition, the Markle Foundation has provided information and promoted meaningful use and the development of HIEs
There are a number of guidelines and procedures in place to enable me to do my job not only to the best of my ability but in a professional manner. Whilst on the reception area, there are procedures that need to be followed relating to various aspects of the job including correct procedures to greet visitors, answer the telephone, dealing with incoming and outgoing mail, booking meeting rooms as well as many other procedures. All of the relevant procedures are kept in a file at the reception area where any member of reception staff can revise them as and when necessary.
Throughout the government unit I have learned about our judge, the differences between federalists and antifederalists, and how taxes work in general on a local, state, and nation level.
6CO2 + 6H2O C6H12O6 + 6O2 (light energy is used as a catalyst in this equation)