Exam (elaborations)
Bio 260 Midterm Study Guide Detailed Questions And Expert Answers
- Course
- BIOLOGY 260
- Institution
- University Of Minnesota - Crookston
Bio 260 Midterm Study Guide Detailed Questions And Expert Answers
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Bio 260 Midterm Study Guide DetailedQuestions And Expert Answers
Which of the following systems are not capable of producing antibodies that
attach to foreign substances? (Select all that apply) - ANS - Cardiovascular
- Endocrine
- Lymphatic
Using the figure depicting homeostatic imbalance, which letter would represent
the "output?" - ANS D
Which of the following system plays a role in protecting underlying organs from
environmental damage and synthesizes vitamin D? - ANS Integumentary
What feedback mechanism is used during childbirth? - ANS positive feedback
mechanism
Responsiveness or irritability is the ability to sense changes in the environment
and then respond to them. - ANS True
Average body temperature is ________ degrees centigrade. - ANS 37
If you consider your home air conditioner in terms of homeostasis, then the wall
thermostat would be the ________. - ANS control center
,A structure that is composed of two or more tissue types that work together to
perform specific functions for the body is a(n) ________. - ANS organ
Place the following in correct sequence from simplest to most complex:
1. molecules
2. atoms
3. tissues
4. cells
5. organs - ANS 2-1-4-3-5
Select the most correct statement. - ANS The immune system is closely associated
with the lymphatic system.
What is the main, general purpose of negative feedback? - ANS to maintain
homeostasis
Which of the following are functional characteristic of life? (Select all that apply) -
ANS - movement
- maintenance of boundaries
- responsiveness to external stimuli
, The numbers listed represent the number of electrons in the first, second, and
third energy levels, respectively. On this basis, which of the following is an
unstable or reactive atom - ANS 2, 8, 1
A bond in which electrons are completely lost or gained by the atoms involved -
ANS Ionic bond
First one or two letters of an element's name is the __________. - ANS Atomic
symbol
Isotopes differ from each other only in the number of electrons the atom contains.
- ANS False
A dipeptide can be broken into two amino acids by dehydration synthesis. - ANS
False
Which of the following is are true of proteins? (Select all that apply) - ANS - Their
function depends on their three-dimensional shape.
- They have both functional and structural roles in the body.
- They may be denatured or coagulated by heat or acidity.
Carbohydrates are stored in the liver and muscles in the form of ________. - ANS
glycogen
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