help me 2 hour help me 30$

Jul 23rd, 2015
DotaCN
Category:
Science
Price: $30 USD

Question description

Which of the following is found in the cytoplasm of bacterial cells?

a.

cell membrane

b.

nucleus

c.

genetic material

d.

flagella


Please select the best answer from the choices provided



Chicken pox is a virus that causes an itchy rash but typically does not have any major or lasting effects on an infected person. Before 1995, chicken pox parties were popular. In a chicken pox party, healthy children were brought around children who were sick with chicken pox so that they would be exposed to the virus and their immune system would learn to fight it. A vaccine for chicken pox was developed in 1995, and chicken pox parties are now rare. What best describes how vaccines have advanced science? 



Which of the following is NOT a type of muscle tissue?

a.

smooth

c.

cardiac

b.

digestive

d.

skeletal


Please select the best answer from the choices provided



__________ allows the skin to bend without tearing apart.

a.

collagen.

c.

epidermis.

b.

nerve ending.

d.

none of the above.


Please select the best answer from the choices provided



Please select the word from the list that best fits the definition

Consists of the brain and spinal cord, and acts as the control center of the body



If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is

a.

100 beetles per square meter.

b.

20 beetles per square meter.

c.

5 beetles per square meter.

d.

4 beetles per square meter.


Please select the best answer from the choices provided



There are three types of blood.


Please select the best answer from the choices provided



Exercising too much can cause ____.

a.

fever

c.

tendonitis

b.

osteoporosis

d.

none of the above


Please select the best answer from the choices provided



Alzheimer’s is a bone disease in which the bones become less dense.


Please select the best answer from the choices provided



A species that influences the survival of many other species in an ecosystem is called a(n)

a.

niche species.

b.

extinct species.

c.

keystone species.

d.

endangered species.


Please select the best answer from the choices provided



An owl and a bat share the same kingdom and phylum; an owl and a robin share the same kingdom, phylum, and class. Which of the following statements is correct?

a.

The owl and the bat have more characteristics in common.

b.

The owl and the robin have more characteristics in common.

c.

All three animals share the same characteristics.

d.

These three animals have no characteristics in common.


Please select the best answer from the choices provided



Which best describes the negative impact of human water use? 



Please select the word from the list that best fits the definition

Helps return excess fluid from the body tissues to the body and defend against disease causing organisms



The pharynx is also known as the ___.

a.

throat.

b.

cilia.

c.

bronchi.

d.

vocal cord.


Please select the best answer from the choices provided



Vertebrae protect the cerebellum.


Please select the best answer from the choices provided



Consider the example of shivering when a cold wind blows. The wind would be referred to as the _____________, and shivering the _____________.

a.

stimulus, response

b.

response, stimulus

c.

receptor, response

d.

stimulus, receptor


Please select the best answer from the choices provided



Which of the following is the highest level of organization (least specific)?

a.

genus

c.

family

b.

class

d.

order


Please select the best answer from the choices provided



The process in which oxygen and glucose react to release energy inside the body is called ___.

a.

oxidation

b.

inhalation

c.

exhalation

d.

respiration


Please select the best answer from the choices provided



The major organs of the skeletal system include:

a.

connective tissue

c.

cartilage

b.

bones

d.

all of the above


Please select the best answer from the choices provided



The body’s reaction to a change in the environment is called a response.


Please select the best answer from the choices provided



Consider the formula for glucose: C6H12O6. What does this indicate about the relationship of the reactants to glucose?



An early winter frost preventing further growth in a tomato garden is an example of

a.

carrying capacity.

b.

a limiting factor.

c.

a biotic factor.

d.

indirect observation.


Please select the best answer from the choices provided



Hair forms in the hair follicle.


Please select the best answer from the choices provided



Which statement best distinguishes an observation from an inference?



Which of the following characteristics does a fungi NOT have?

a.

cell walls

c.

heterotrophic

b.

prokaryote

d.

reproduce with spores


Please select the best answer from the choices provided



In which situation would it be least likely for a scientist to revise her experimental methods?



Which system recieves and sends electrical signals through out the body?

a.

muscular

c.

nervous

b.

skeletal

d.

cardiac


Please select the best answer from the choices provided



Your immune system consists of ____ that fight disease.

a.

cells

c.

organs

b.

tissues

d.

all of the above


Please select the best answer from the choices provided



Target tissues of hormones are always near the glands that release the hormones.


Please select the best answer from the choices provided



Please select the word from the list that best fits the definition

Joining of an egg cell with a sperm cell in fertilization to create a zygote



A contractile vacuole is a structure that collects extra water and expels it from a protist.


Please select the best answer from the choices provided



Which describes a grizzly bear’s habitat?



Please select the word from the list that best fits the definition

A eukaryotic organism that is not an animal, plant, or fungus



Fertilization usually takes place in the ovaries.


Please select the best answer from the choices provided



Which of the following stimulates a person’s body to produce chemicals that destroy viruses or bacteria?

a.

antibiotic

b.

vaccine

c.

toxin

d.

endospore


Please select the best answer from the choices provided



Which of the following is NOT a function of the digestive system?

a.

elimination

c.

absorption

b.

digestion

d.

all are functions of the digestive system


Please select the best answer from the choices provided



At which point is G3P removed from the Calvin cycle to be used in the production of carbohydrates?



The main function of the excretory system is to ____.

a.

protect the brain

b.

strengthen skeletal muscles

c.

bring carbon dioxide to body cells

d.

collect and remove wastes from the body


Please select the best answer from the choices provided



All of these are first-line defenses EXCEPT ____.

a.

saliva

c.

antibodies

b.

cilia

d.

enzymes


Please select the best answer from the choices provided



Which of the following is NOT a function of blood?

a.

fight infections

c.

carry nutrients to cells

b.

carry oxygen to the body

d.

all of the above are functions of blood


Please select the best answer from the choices provided



Of the following, which is an infectious disease?

a.

asthma

c.

diabetes

b.

tuberculosis

d.

heart disease


Please select the best answer from the choices provided



Tiny finger shaped structures in the small intestine that helps absorb large amounts of nutrients are called ___.

a.

villi

b.

pancreas

c.

liver

d.

gallbladder


Please select the best answer from the choices provided



An organism’s particular role in its habitat, or how it makes its living, is called its

a.

carrying capacity.

b.

ecosystem.

c.

competition.

d.

niche.


Please select the best answer from the choices provided



Lymph is the blood that diffuses to your cells at capillaries.


Please select the best answer from the choices provided



The number of different species in an area is referred to as its

a.

niche diversity.

b.

climate.

c.

habitat fragmentation.

d.

biodiversity.


Please select the best answer from the choices provided



A Russian citizen has illegally obtained a Siberian tiger and is trying to sell the tiger’s fur in the United States. What treaty does this violate?



The two lower chambers of the human heart are known as:

a.

atriums

c.

auricles

b.

ventricles

d.

blood vessels


Please select the best answer from the choices provided


Tutor Answer

(Top Tutor) Daniel C.
(997)
School: UIUC
PREMIUM TUTOR

Studypool has helped 1,244,100 students

8 Reviews


Summary
Quality
Communication
On Time
Value
kevin12622
Nov 28th, 2016
" Goes above and beyond expectations ! "
kiln82
Nov 19th, 2016
" awesome work thanks "
ashleyisgod
Nov 14th, 2016
" Top quality work from this guy! I'll be back! "
likeplum4
Nov 5th, 2016
" Excellent work as usual "
Molly_Moon
Oct 23rd, 2016
" AMAZING as always! "
kpcutie
Oct 14th, 2016
" Excellent job "
Hemapathy
Sep 30th, 2016
" all I can say is wow very fast work, great work thanks "
pmallory
Sep 21st, 2016
" Totally impressed with results!! :-) "
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1819 tutors are online

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors