Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 1CT
The diagram to the right shows how tiles can be put together in different ways. How does this example relate to the role of DNA as the universal genetic material in organisms?
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What is the main function of DNA in living things
Which statement best describes the structure of a DNA molecule
A. DNA is single-stranded and straight molecule
B. DNA is a double-stranded molecule that looks like a spiral staircase
C. DNA is a double stranded molecule that is straight like a ladder
D. DNA is a single-stranded and curly molecule
Make a simple illustration to relate the different kinds of DNA to its function.
Chapter 1 Solutions
Human Biology (MindTap Course List)
Ch. 1 - You are a living organism. Which characteristics...Ch. 1 - Why is the concept of homeostasis meaningful in...Ch. 1 - What is meant by biological evolution?Ch. 1 - Prob. 4RQCh. 1 - Define and distinguish between: a. a hypothesis...Ch. 1 - Instructions in __________ govern how organisms...Ch. 1 - A _______ is the smallest unit that can live and...Ch. 1 - _______ is a state in which an organisms internal...Ch. 1 - Humans are _________ (animals with backbones);...Ch. 1 - Prob. 5SQ
Ch. 1 - A scientific approach to explaining some aspect of...Ch. 1 - Prob. 7SQCh. 1 - A related set of hypotheses that collectively...Ch. 1 - Which of the following is not a feature of a...Ch. 1 - The diagram below depicts the concept of _______....Ch. 1 - The diagram to the right shows how tiles can be...Ch. 1 - Court witnesses are asked to tell the truth, the...Ch. 1 - Design a test (or series of tests) to support or...Ch. 1 - In a popular magazine article the author reports...Ch. 1 - Researchers studied 393 patients in a hospitals...
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- Levene made which contribution to our understanding of DNA structure? a. He determined that the nucleus contains DNA. b. He determined that DNA contains four nitrogenous bases c. He determined that DNA consists of nucleotides. d. He determined that the nitrogenous bases of DNA are present in regular ratiosarrow_forwardWhich event contradicts the central dogma of molecular biology? a. Poly-A polymerase enzymes process mRNA in the nucleus. b. Endonuclease enzymes splice out and repair damaged DNA. c. Scientists use reverse transcriptase enzymes to make DNA from RNA. d. Codons specifying amino acids are degenerate and universal.arrow_forwardWhat would happen if the DNA and RNA that are mixed together came from very different organisms, for example a worm and a pig?arrow_forward
- Do all living things have DNA? Explain your answer.arrow_forwarddescribe what the process of replication of DNA based off of this picture.arrow_forwardWhich statement below about DNA is false? A. DNA is present in an essential for all living cells. B.  DNA is located in the nucleus of eukaryotic cells. C. DNA  is always perfectly copied during DNA replication. D.  DNA can exist as a linear or circular molecule.arrow_forward
- Answer the question below based on your own understanding; Why do you think all organisms use nucleic acids for encoding genetic information? Why not use proteins or carbohydrates? What advantages might DNA have as the source of genetic information?arrow_forwardAstronomers have made great strides in sending probes out to other planets and moons in our solar system. If they were to find a living creature some place other than Earth, how could DNA analysis help them better understand the organism? Explain in 1–2 sentencesarrow_forwardWhich helps prevent errors in DNA replication? A) Complementary base pairing reduce errors B) DNA ligase checks the DNA for errors C) DNA is located in the ribosomes D) Any base can pair with any other basearrow_forward
- Suppose a region of DNA is 100 bp long. How many unique sequences could it potentially represent? A) 1004 B) 4100 C) 400 D) 4,000 E) 10,000arrow_forwardPlease answer question: each sugar molecule is attached to one nitrogen base. the two strands of DNA are attached by bonds between the nitrogen bases on each side of the ladder. Each nucleotide base only bonds with one specific partner. The combination of two bases is called a base pair. Adenine always bonds with thymine. A-T, and Guanine always bonds with cytosine. G-C. Fill in the missing nitrogenous bases. I have attached the DNA strand to find the missing nitrogenous. Please find the incomplete DNA Molecule. The picture is the whole Figure broken into two pics because i could not get the whole picture into one.arrow_forwardWhich statement best describes the manner in which the genetic information is used inside cells? DNA is converted to RNA, which is then converted to protein. DNA acts as a messenger. It binds to a ribosome and provides instructions for making protein. Ribosomes make proteins by randomly linking amino acids together. Sections of DNA are copied into RNA molecules which serve as the instructions for making proteins.arrow_forward
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