Use the following figure to answer the questions below.The figure shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. Why are they different?

What kind of molecules serve as electron acceptors in cellular respiration?

Enzymes _____.

Use the following figure to answer the questions below.The accompanying figure shows the electron transport chain. Which of the following is the combination of substances that is initially added to the chain?

Scientists have found that polypeptides that are normally synthesized in the endoplasmic reticulum are about 20 amino acids longer when they are synthesized by ribosomes not attached to the endoplasmic reticulum. What is a possible explanation for the greater length of these polypeptides?

Why would a client who had a blood glucose of 110mg/dl and received Humulin N 16 units at 0730 have a blood glucose of 235 mg/dl at 1100?

In mitochondria, exergonic redox reactions _____.

A nurse working in an intensive care unit (ICU) is assigned a patient diagnosed with acquired immunodeficiency syndrome (AIDS). Based on this data, which type of precaution does the nurse implement when providing direct care?

Which statement based upon the scenario below is CORRECT? Mr SF, aged 65, has hypertension and type 2 diabetes mellitus. He has no known drug allergies. Medication History: Metformin 1g twice a day, Gliclazide 40mg twice a day, Amlodipine 5mg once a day, Lisinopril 20mg once a day. Mr SF attends his GP surgery with a purulent sputum and cough.   Bloods taken in clinic: Na+                         136         (135-145 mmol/L)            Corrects Ca2+         2.4          (2.05-2.6 mmol/L) K+                            4.3          (3.5-5.1 mmol/L)              Phosphate               0.9          (0.8-1.44 mmol/L) Ur                           6              (3.1-7.9 mmol/L)              Mg2+                        0.86        (0.7-1.0 mmol/L) SCr                         70           (50-120 umol/L)                Total Bilirubin          12           (90mls/min                                        GGT                           18           (0-45 U/L) WBC                      15           (4-11 x109/L)                      ALT                            18           (0-40 U/L) Neutrophils        12           (1.8-7.5×109/L)                  Albumin                     48           (35-50 g/L) RBC                        5.2          (4.7-6.1 x1012/L)                CRP                          138         (0-5 mg/L) Hb                          140         (115-165 g/L)                      MCV                         86           (80-102 fL) MCH                      30           (27-32 pg)                            MCHC                       348         (320-370 g/L) Platelets              650         (15-450 x109/L)

Mrs KP, 84 year old, attends the GP surgery with breathlessness. Observations were taken: Temperature:      37.3oC             Heart Rate:             97 bpm Blood Pressure: 100/64  mmHg Respiratory Rate:    22 bpm O2 Sats:                86%                Peak Expiratory Flow Rate: