Study guides, Class notes & Summaries

2 OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 Which description of biological molecules is correct? A DNA and RNA are both polymers of nucleotides. B Hydrolysis of sucrose produces fructose and β-glucose. C Proteins are polymers of amino acids and are broken down in condensation reactions. D Starch is a polymer of the monosaccharide maltose. Your answer [1] 2 Which statement about lipids is cor...

1 (a) Fig. 1.1 shows two cubes that represent a large and a small multicellular plant. Fig. 1.1 Large multicellular plant Small multicellular plant Length = 2cm Width = 2 cm Depth = 2cm Surface area : volume = 6:1 (i) Using the data provided in Fig. 1.1, calculate the surface area : volume of the large multicellular plant. Surface area: volume = ..........................................................[2] (ii) Explain why a large multicellular plant needs a transport system but a ...

2 © OCR 2023 C Constant region D Section A You should spend a maximum of 25 minutes on this section. Write your answer for each question in the box provided. 1 Which statement describes a problem that has resulted from the increased use of antibiotics? A Penicillin can no longer be used to treat infections. B Rates of MRSA infection have increased. C Some bacteria and fungi have evolved resistance to antibiotics. D Viral infections can no longer be treated with antibiotics. Your an...

Test Bank for General biology by Benato A. Dela Pena JR, Daniel E. Gracilla, Christian R. Pangilina

Biology Proctored Exam Penn Foster With Complete Solutions.

Test Bank for General biology by Benato A. Dela Pena JR, Daniel E. Gracilla, Christian R. Pangilina

Biology Proctored Exam Penn Foster Questions And Answers 100% Verified Characteristics of living things - answer-All are composed of cells -All obtain energy and use it to develop -Can sense changes in the environment and adjust in response to change -Exhibit modifications that represent adaptations to their environment Levels of Biological Organization - answeratom, molecule, organelle, cell, tissue, organ, organ system, organism How are organisms classified? - answeron the basis of the...

Biology 198 Module 7 (Final Review) Questions and Answers.

iology 198 Lab final Questions and Answers 2024.

BIOLOGY 198 FINAL 87 Questions and Answers