1. What is the difference between a prokaryote and a eukaryote? 2. Which of the following cell parts produces energy for the cell and has its own DNA? A. Nucleus B. Cytoplasm C. Cell membrane D. Mitochondria 3. What do the two members of a homologous chromosome pair have in common?
1. What is the difference between a prokaryote and a eukaryote? 2. Which of the following cell parts produces energy for the cell and has its own DNA? A. Nucleus B. Cytoplasm C. Cell membrane D. Mitochondria 3. What do the two members of a homologous chromosome pair have in common?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Concept explainers
Structure and Composition of Cell Membrane
Despite differences in structure and function, all living cells in multicellular organisms are surrounded by a cell membrane. Just like the outer layer of the skin separates the body from its environment similarly, the cell membrane, also known as 'plasma membrane,' separates the inner content from its exterior environment.
Cell Membrane
The cell membrane is known by different names like plasma membrane or cytoplasmic membrane, or biological membrane. The term "cell membrane" was first introduced by C. Nageli and C. Cramer in the year 1855. Later on, in 1931, the term "plasmalemma" for cell membrane was given by J. Plowe. The cell membrane separates the cell's internal environment from the extracellular space. This separation allows the protection of cells from their environment.
Prokaryotes vs Eukaryotes
The cell is defined as the basic structural and functional unit of life. The cell membrane bounds it. It is capable of independent existence.
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< Chapter 2 Lab WORKS...
CONCEPT REVIEW QUESTIONS
Name:
Course:
Answer the following questions in the space provided.
1. What is the difference between a prokaryote and a eukaryote?
2. Which of the following cell parts produces energy for the cell and has its own DNA?
A. Nucleus
B. Cytoplasm
C. Cell membrane
D. Mitochondria
3. What do the two members of a homologous chromosome pair have in common?
A. Thymine.
B. Guanine
C. Adenine
D. Cytosine
4. Following the rules of complementary base pairing, which of these DNA bases could successfully bond with
adenine?
A. Thymine
B. Uracil
C. Cytosine
D. Adenine
5. Following the rules of complementary base paring, which of these RNA bases could successfully bond with
adenine?
6. Variations of the same gene are called
7. Mitosis occurs in which type of cell?
Section:
Date:
C. mRNA.
D. IDNA.
8. Meiosis occurs in which type of cell?
9. The genetic information that moves from the nucleus to the cytoplasm of a cell during protein synthesis is called
A. mDNA.
B. tRNA.
10. During protein synthesis, the amino acids are transported by
A. mDNA.
B. TRNA,
C. mRNA.
D. IDNA,
LAB EXERCISES
Name:
Course:
a
Dashboard
Section:
Date:
EXERCISE 1 CREATING AND INTERPRETING KARYOTYPES
Your instructor has provided you and a group of your classmates with the stained chromosomes from person Z.
Follow these steps to create person Z's karyotype and answer the questions.
Calendar
STEP 1 Match each chromosome to its homologous partner (remember to look for similar size,
centromere location, and staining patterns).
STEP 2 Arrange the chromosome pairs in order from largest to smallest.
STEP 3 Match the sex chromosomes provided by your instructor.
4
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