HUMAN ANATOMY PKG >CUSTOM<
8th Edition
ISBN: 9781323572528
Author: Marieb
Publisher: Pearson Custom Publishing
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Textbook Question
Chapter 2, Problem 2RQ
The nuclear substance composed of histone proteins and DNA is (a) chromatin, {b} the nuclear envelope, (c) nucleoplasm, (d) nuclear pores.
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The inner nuclear membrane is lined by the nuclear lamina, a filamentous network which serves as an attachment site for chromatin and structural support and possibly other functions.
a) True b) False
Select the best answer or answers from the choices given: The nuclear substance composed of histone proteins and DNA is (a) chromatin, (b) the nucleolus, (c) nucleoplasm, (d) nuclear pores.
Which of the following best describes the difference between interphase and mitosis?
a) During interphase, DNA has a loose structure that condenses during mitosis.
b) During interphase, histones help compact DNA into chromosomes. And once mitosis starts, histones are destroyed.
c) During interphase, DNA is tightly packed into chromosomes that uncoil once mitosis starts.
d) During interphase, DNA is packed as chromosomes. And during mitosis, DNA is called chromatin.
Please I need a surely answer and a quicker response
Chapter 2 Solutions
HUMAN ANATOMY PKG >CUSTOM<
Ch. 2 - What are the three general regions of a cell?Ch. 2 - What types of macromolecules compose the plasma...Ch. 2 - By what process does water enter and leave the...Ch. 2 - Which transport process carries large...Ch. 2 - Which cellular organelles are involved with...Ch. 2 - Which organelle produces the energy needed for...Ch. 2 - Which organelle would be prevalent in a cell that...Ch. 2 - Which cytoskeletal element functions to resist...Ch. 2 - What does the nucleolus produce?Ch. 2 - Which cytoplasmic organelle is continuous with the...
Ch. 2 - How does the appearance of extended chromatin...Ch. 2 - In which phase of the cell life cycle does the...Ch. 2 - What is the meaning of the root words that form...Ch. 2 - Which cellular structures would be abundant in...Ch. 2 - Which organelles would be abundant in cells that...Ch. 2 - According to which aging theory presented here can...Ch. 2 - The endocytotic process in which particulate...Ch. 2 - The nuclear substance composed of histone proteins...Ch. 2 - Final preparations for cell division are made...Ch. 2 - Prob. 4RQCh. 2 - Identify the cell structure or organelle described...Ch. 2 - Identify the false statement about centrioles. a....Ch. 2 - The trans face of the Golgi apparatus (a) is its...Ch. 2 - Identify the false statement about lysosomes. a....Ch. 2 - Name the appropriate stage of mitosis (prophase,...Ch. 2 - Name the cytoskeletal element (actin...Ch. 2 - Prob. 11RQCh. 2 - Which of these processes involves specific...Ch. 2 - List all the cytoplasmic organelles that are...Ch. 2 - Martin missed a point on his anatomy test because...Ch. 2 - In this chapter, we claimed that mitochondria are...Ch. 2 - Define chromosome, then compare the arrangement of...Ch. 2 - Prob. 17RQCh. 2 - Use the analogy of the cell as a manufacturing...Ch. 2 - Prob. 1CRCAQCh. 2 - Kareem had a nervous habit of chewing on the inner...Ch. 2 - The normal function of one tumor-suppressor gene...Ch. 2 - In their anatomy labs, many students are exposed...Ch. 2 - The sedative phenobarbital is a lipid-soluble...Ch. 2 - The drug vinblastine is used in cancer therapy to...
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- Final preparations for cell division are made during this stage of the cell life cycle: (a) G1, (b) G2, (c) M, (d) S.arrow_forwardWhich of the following events does not take place during mitosis?(a) The centromeres of the chromosomes split. (b) The nucleoli disappear, and the two centrosomes separate from one another. (c) The nuclear envelope breaks. (d) Four daughter cells are generated. (e) The chromosomes cluster at the cell’s equator.arrow_forwardA.......... is the condensed, visible form of chromatin.arrow_forward
- Which statement is true about a person's chromosomes? a) They are arranged in homologous groups of three. b) Their sister chromatids are joined at centrosomes. c) They are long chains of DNA. d) They are all identical. Please I need a surely answer and a quicker responsearrow_forwarda) In which stage of mitosis do chromosomes condense? (b) If a eukaryotic organism has a total of 34 chromosomes, how many pairs will the chromosomes be arranged in? (c) Define homologous chromosomes.arrow_forwardWhich of the following does not occur during mitosis? (a) (b) (c) (d) Chromatin condenses and forms chromosomes. Chromosomes move to the equator of the cell. Spindle fibres pull homologous chromosomes to opposite poles of the cell. Two new nuclei are formed that have two full sets of genetic information.arrow_forward
- In a nucleosome, the DNA is wrapped around(A) histones.(B) ribosomes.(C) polymerase molecules.(D) a thymine dimer.arrow_forwardSome cancer drugs stop cell division by stabilizing microtubules so they cannot come apart. Which step of the mitosis is disrupted? A) Telophase B) cytokinesis C) Anaphase D) Metaphasearrow_forward1. Which one explains the form of genetic material before nuclear division? a) Euchromatin b) Heterochromatin c) Chromatin d) Chromosomesarrow_forward
- Telophase in Mitosis a ) Chromosomes begin to uncoil into chromatin. b) Nucleolus and nuclear membrane begin to reappear. c) Spindle slowly dissolves. d) In animal cells, cytokinesis occurs with a cleavage furrow dividing one cell into two cells. e) In plant cells, cytokinesis occurs with the formation of a cell plate. This plate divides the original cell into two cells and is part of the new cell wall.arrow_forwardWhen the nuclear membrane reforms and the DNA loosely coils into chromatin a) prophase b) metaphase c) anaphase d) telophasearrow_forwardWhat is chromatin?arrow_forward
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