skyalpaca180

skyalpaca180

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I am biochemist and also biologist...I would like to solve your queries regarding all branches of biology.

ANSWERS

Published1286

Subjects

Architecture19History6Law2Management1English417Philosophy6Anthropology29Astronomy75Business152Science76Electrical Engineering29Mechanical Engineering6Sociology40Geography5Nursing1Psychology10Communications17Ethics12Algebra12Engineering22Computer Science43Accounting110Biology112Mathematics5Statistics3Physics11Finance4Economics10Chemistry51
Answer: ship ballast water, accidental release, and most often, by people.
Answer: m=3.24gV=1.88LP=748mm of Hg=0.984atmT=20oC=293KR=0.0821L atm/mol K.m=3...
Answer: option A

2. Within a single fiber, the tension developed during a twitch depends on:
a. Length of the thick filament
b. Duration of the stimulus
c. Amplitude of the action potential

d. Length of the sarcomeres prior to contraction

c. The speed the action potential is propagated throughout the muscle fiber

3. The two systems that directly control homeostasis:

a. Musculoskeletal and endocrine

b. Nervous and endocrine

c. Cardiovascular and nervous

4. There are 4 primary tissue types, which of these is not a primary tissue type:

a. Connective

d. Blood

b. Neural

e. Muscle

c. Epithelial

None of the above

There are more than two systems that control homeostasis

5. The muscle functional unit responsible for force production is the:

d. Sarcolemma

a. Sarcomere

e. Calcium

Motor unit

Myocyte

6. Choose the true statement(s):
a. Biarticular muscles only produce concentric contractions

b. During an eccentric contraction the muscle neither shortens nor lengthens

C. For a given muscle, it will produce its highest forces during a concentric contraction

d. The primary purpose of concentric contractions is fixation

e. The primary purpose of eccentric contractions is deceleration

7. Homeostasis is the condition in which the body maintains:

A. A dynamic state within an unlimited range, depending on circumstances

B. Static state with little deviation from preset points

C. A relatively stable internal environment, within limits

d. The lowest possible energy usage

8. Osteoclast precursor cells are:

a. Osteocytes

b. Osteoblasts

c. Osteogenic cells (stem cells)

d. None of the above

C. Leukocytes (white blood cells)

Answer: Length of sarcomere prior to contraction 3: nervous and endocrine syst...
Answer: 1: a disease caused by uncontrolled division of abnormal cells in a pa...
Answer:A
Answer: By an axis opposite the XC axis
Answer: Earth's gravity comes from all its mass. All its mass makes a combined...
Answer: Though a big ego is usually considered to be a negative trait, in fact...
Answer: happiness, in psychology, a state of emotional well-being that a perso...
Answer: the measured or measurable period during which an action, process, or ...
Answer: Being kind to someone comes from the inner soul, not from a particular...
Answer: Subjectively, our thoughts come from nowhere: they just pop into our h...
Answer: As the applied voltage reaches its maximum peak value at 90o for a ver...
Answer: supplying or drawing current in the direction necessary to oppose the ...
Answer: Capacitance is measured in the unit of farads (1 farad = 1 Coulomb/Vol...
Answer: C
Answer: A
Answer: Option D
Answer: Option A
Answer: power Factor
Answer: Dissipation Factor is the reciprocal of quality factor.
Answer: dielectric constant
Answer: Stray capacitance exists not through design but simply because two con...
Answer: 0.500
Answer: 1.73
Answer: An open inductor has Infinite resistance and zero inductance.
Answer: Zero
Answer: Purely capacitive circuit
Answer: Transient period is considered over after TAA
Answer: bisects bandwidth.
Answer: C
Answer: Effective value is considered as the most important value of a sine wa...
Answer: Carbon-composition resistor.
Answer: C
Answer: 0.707
Answer: 55 Ohm-cm 55 Ohm-cm is the specific resistance of a pure germanium.
Answer: Leading
Answer: An LC circuit, also called a resonant circuit, tank circuit, or tuned ...
Answer: A

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