CONCEPTS OF BIOLOGY
13th Edition
ISBN: 2810014143673
Author: OpenStax
Publisher: OpenStax
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 17, Problem 7RQ
Which of the following is a barrier against pathogens provided by the skin?
a. low pH
b. mucus
c. tears
d. cilia
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
C
MasteringHealth MasteringNu ×
session.healthandnutrition-mastering.pearson.com/myct/itemView?assignment ProblemID=17396416&attemptNo=1&offset=prev
10. Your instructor will give you 2 amino acids during the activity session (video 2-7.
A. First color all the polar and non-polar covalent bonds in the R groups of your 2 amino acids
using the same colors as in #7. Do not color the bonds in the backbone of each amino acid.
B. Next, color where all the hydrogen bonds, hydrophobic interactions and ionic bonds could
occur in the R group of each amino acid. Use the same colors as in #7. Do not color the bonds
in the backbone of each amino acid.
C. Position the two amino acids on the page below in an orientation where the two R groups
could bond together. Once you are satisfied, staple or tape the amino acids in place and label
the bond that you formed between the two R groups.
- Polar covalent Bond - Red
- Non polar Covalent boND- yellow
- Ionic BonD - PINK
Hydrogen Bonn - Purple
Hydrophobic interaction-green
O=C-N
H
I.
H
HO
H
=O
CH2
C-C-N
HICK
H
HO
H
CH2
OH
H₂N
C = O
Find the dental formula and enter it in the following format:
I3/3 C1/1 P4/4 M2/3 = 42 (this is not the correct number, just the correct format)
Please be aware: the upper jaw is intact (all teeth are present). The bottom jaw/mandible is not intact. The front teeth should include 6 total rectangular teeth (3 on each side) and 2 total large triangular teeth (1 on each side).
Chapter 17 Solutions
CONCEPTS OF BIOLOGY
Ch. 17 - Figure 17.5 Which of the following statements...Ch. 17 - Figure 17.6 Influenza virus is packaged in a viral...Ch. 17 - Figure 17.17 The Rh antigen is found on...Ch. 17 - Which statement is true? a. A virion contains DNA...Ch. 17 - The viral ________ plays a role in attaching a...Ch. 17 - Which statement is true of viral replication? a....Ch. 17 - Which of the following is a barrier against...Ch. 17 - Although interferons have several effects, they...Ch. 17 - Which innate immune system component uses MHC...Ch. 17 - The humoral immune response depends on which...
Ch. 17 - The fact that the body does not normally mount an...Ch. 17 - Foreign particles circulating in the blood are...Ch. 17 - Allergy to pollen is classified as _______. a. an...Ch. 17 - A potential cause of acquired autoimmunity is...Ch. 17 - Autoantibodies are probably involved in ________....Ch. 17 - Why can’t dogs catch the measles?Ch. 17 - Why is immunization after being bitten by a rabid...Ch. 17 - Different MHC class I molecules between donor and...Ch. 17 - If a series of genetic mutations prevented some,...Ch. 17 - How do B and T cells differ with respect to...Ch. 17 - Why is the immune response after reinfection much...Ch. 17 - Some photographers develop a sensitivity to...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Why is living epithelial tissue limited to a certain thickness?
Human Anatomy & Physiology (2nd Edition)
Some organizations are starting to envision a sustainable societyone in which each generation inherits sufficie...
Campbell Essential Biology (7th Edition)
4. Three groups of nonvascular plants are _______, ______, and _______. Three groups of seedless vascular plant...
Biology: Life on Earth (11th Edition)
Explain the role of gene flow in the biological species concept.
Campbell Biology (11th Edition)
HOW DO WE KNOW? In this chapter, we focused on extranuclear inheritance and how traits can be determined by gen...
Concepts of Genetics (12th Edition)
5. In a type of parakeet known as a “budgie,” feather color is controlled by two genes. A yellow pigment is syn...
Genetic Analysis: An Integrated Approach (3rd Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 12. Calculate the area of a circle which has a radius of 1200 μm. Give your answer in mm² in scientific notation with the correct number of significant figures.arrow_forwardDescribe the image quality of the B.megaterium at 1000X before adding oil? What does adding oil do to the quality of the image?arrow_forwardWhich of the follwowing cells from this lab do you expect to have a nucleus and why or why not? Ceratium, Bacillus megaterium and Cheek epithelial cells?arrow_forward
- 14. If you determine there to be debris on your ocular lens, explain what is the best way to clean it off without damaging the lens?arrow_forward11. Write a simple formula for converting mm to μm when the number of mm's is known. Use the variable X to represent the number of mm's in your formula.arrow_forward13. When a smear containing cells is dried, the cells shrink due to the loss of water. What technique could you use to visualize and measure living cells without heat-fixing them? Hint: you did this technique in part I.arrow_forward
- 10. Write a simple formula for converting μm to mm when the number of μm's are known. Use the variable X to represent the number of um's in your formula.arrow_forward8. How many μm² is in one cm²; express the result in scientific notation. Show your calculations. 1 cm = 10 mm; 1 mm = 1000 μmarrow_forwardFind the dental formula and enter it in the following format: I3/3 C1/1 P4/4 M2/3 = 42 (this is not the correct number, just the correct format) Please be aware: the upper jaw is intact (all teeth are present). The bottom jaw/mandible is not intact. The front teeth should include 6 total rectangular teeth (3 on each side) and 2 total large triangular teeth (1 on each side).arrow_forward
- Answer iarrow_forwardAnswerarrow_forwardcalculate the questions showing the solution including variables,unit and equations all the questiosn below using the data a) B1, b) B2, c) hybrid rate constant (1) d) hybrid rate constant (2) e) t1/2,dist f) t1/2,elim g) k10 h) k12 i) k21 j) initial concentration (C0) k) central compartment volume (V1) l) steady-state volume (Vss) m) clearance (CL) AUC (0→10 min) using trapezoidal rule n) AUC (20→30 min) using trapezoidal rule o) AUCtail (AUC360→∞) p) total AUC (using short cut method) q) volume from AUC (VAUC)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Comprehensive Medical Assisting: Administrative a...NursingISBN:9781305964792Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy CorreaPublisher:Cengage Learning
Medical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Comprehensive Medical Assisting: Administrative a...
Nursing
ISBN:9781305964792
Author:Wilburta Q. Lindh, Carol D. Tamparo, Barbara M. Dahl, Julie Morris, Cindy Correa
Publisher:Cengage Learning
Medical Terminology for Health Professions, Spira...
Health & Nutrition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Cengage Learning
The Integumentary System, Part 1 - Skin Deep: Crash Course Anatomy & Physiology #6; Author: CrashCourse;https://www.youtube.com/watch?v=Orumw-PyNjw;License: Standard youtube license