General Biology

The age structure diagram for the United States is most like

The age structure diagram for the United States is most like

The age structure diagram for the United States is
  most like
  a. A.
  b. B.
  c. C.
  d. D.
  e. none of these.

Question 2

The age structure diagram for India

tpost99   17   3 Replies

sdfaff

The least oxygenated water is indicated by

The least oxygenated water is indicated by

The least oxygenated water is indicated by
  a. A.
  b. B.
  c. C.
  d. D.
  e. E.

Question 2

Due to countercurrent flow in fish gills, __________
  with the ___

lacerna92   17   2 Replies

lacerna92

Which of the following statements is false?

Which of the following statements is false?

Which of the following statements is false?
  a. The systemic circuit initially carries oxygenated
  blood.
  b. Humans have an open circulatory system.
  c. The function of the heart is to generate pressure
  to make blood f

anja@phs.ae   17   3 Replies

michjfrg88

Insects have a __________, with many individual units. (Fill in the blank)

Insects have a __________, with many individual units. (Fill in the blank)

Insects have a __________, with many individual
  units. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

The cochlea is a coiled structure with fluid-filled

becca29   17   1 Reply

ir_nizam

The parietal lobe is indicated by

The parietal lobe is indicated by

The parietal lobe is indicated by
  a. A.
  b. B.
  c. C.
  d. D.
  e. E.

Question 2

The right hemisphere of the cerebrum is specialized
  for
  a. verbal a

becca29   17   2 Replies

becca29

The maximum amount of pressure in the system is at

The maximum amount of pressure in the system is at

The maximum amount of pressure in the system is at
  a. A.
  b. B.
  c. C.
  d. D.
  e. E.

Question 2

__________ can indicate a fruit or developing root
  cells.

Hoshuia   17   3 Replies

dindsi

Which of the following is the probable basis for the evolution of mitochondria and chloroplasts? ...

Which of the following is the probable basis for the evolution of mitochondria and chloroplasts? ...

Which of the following is the probable basis for the
  evolution of mitochondria and chloroplasts?
  a. Cells eat each other.
  b. Light is an energy source.
  c. ATP can carry energy.
  d. Oxygen is a by-product of photosynt

reubank   17   1 Reply

umwut

If a plasma membrane were compared to a sandwich, __________ would be considered the filling.

If a plasma membrane were compared to a sandwich, __________ would be considered the filling.

If a plasma membrane were compared to a sandwich,
  __________ would be considered the filling.
  a. cholesterol
  b. protein
  c. hydrophilic heads
  d. hydrophobic tails
  e. carbohydrates

[fa]

buttssss   17   2 Replies

buttssss

A second level consumer is indicated by

A second level consumer is indicated by

A second level consumer is indicated by
  a. A.
  b. B.
  c. C.
  d. D.
  e. E.

Question 2

Which of the following is NOT dependent on
  the others as a source of f

kellydevenney   17   2 Replies

kellydevenney

Behavior that is entirely controlled by genes and has no learning component is

Behavior that is entirely controlled by genes and has no learning component is

Behavior that is entirely controlled by genes and has no learning component is
 
 a. learned.
  b. habituated.
  c. instinctive.
  d. classically conditioned.

Question 2[b

tpost99   17   3 Replies

grodriguezz

Which structure related to the control of breathing is the ventral interneuron group? 1.A 2.B 3.C 4.D

Which structure related to the control of breathing is the ventral interneuron group? 1.A 2.B 3.C 4.D

Which structure related to the control of breathing is the ventral interneuron group?
  1.A
  2.B
  3.C
  4.D
 

Eminoa   17   2 Replies

Eminoa

Which bone, A, B, C or D, is the humerus? 1.A 2.B 3.C 4.D

Which bone, A, B, C or D, is the humerus? 1.A 2.B 3.C 4.D

Which bone, A, B, C or D, is the humerus?
  1.A
  2.B
  3.C
  4.D
 

dfysb54w   17   2 Replies

dfysb54w

Which of the following is part of the maturation of a eukaryotic mRNA? 1.removal of introns 2.the ...

Which of the following is part of the maturation of a eukaryotic mRNA? 1.removal of introns 2.the ...

Which of the following is part of the maturation of a eukaryotic mRNA?
  1.removal of introns
  2.the linking of exons
  3.addition of the 5 cap
  4.addition of the poly A tail
  5.All of the options are correct.

[c

D_o_m   17   2 Replies

D_o_m

Why do plant roots populate the A horizon most heavily?

Why do plant roots populate the A horizon most heavily?

Why do plant roots populate the A horizon most heavily? What will be an ideal response?
 
 

Question 2

Organic compounds become distributed through a plant by __________.translocati

Daddy667   17   3 Replies

Kayla1

Which of the following is the strongest evidence for the idea that present-day eukaryotic aerobes ...

Which of the following is the strongest evidence for the idea that present-day eukaryotic aerobes ...

Which of the following is the strongest
  evidence for the idea that present-day
  eukaryotic aerobes are the descendants of the
  successful symbiotic association of anaerobes
  and aerobes?
  a. Mitochondria can produce ATP

Maria   17   3 Replies

amira

A(n) ____ property is a characteristic of a system that does not appear in any of its component ...

A(n) ____ property is a characteristic of a system that does not appear in any of its component ...

A(n) ____ property is a characteristic of a
  system that does not appear in any of its
  component parts.
  a. efferent
  b. emergent
  c. elective
  d. energetic
  e. living

buttssss   17   1 Reply

map

Photosynthetic parenchyma is called ____________________. (Fill in the blank)

Photosynthetic parenchyma is called ____________________. (Fill in the blank)

Photosynthetic parenchyma is called ____________________. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

The simple plant tissues are ____________________, ____

Daddy667   17   2 Replies

Daddy667

__________ are animals with a backbone. (Fill in the blank)

__________ are animals with a backbone. (Fill in the blank)

__________ are animals with a backbone. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

Invertebrate chordates include __________ and __________, both marine fil

Jkader   17   2 Replies

Jkader

Four of the following are echinoderms. Which one is the exception?

Four of the following are echinoderms. Which one is the exception?

Four of the following are echinoderms. Which one is the exception?
  a. sea cucumber
  b. sea star
  c. urchin
  d. brittle star
  e. krill

Question 2

A water-vascula

memoloka   17   1 Reply

mithaprilla

HeLa cells have been used in research to

HeLa cells have been used in research to

HeLa cells have been used in research to
  a. identify cell structures.
  b. study sickle cell anemia.
  c. study the effects of hyperoxia on cells.
  d. study the mechanisms of cancer.
  e. study various lung diseases.
[b

jai   17   2 Replies

jai

Which of the following is a type of gland that lacks ducts?

Which of the following is a type of gland that lacks ducts?

Which of the following is a type of gland that
  lacks ducts?
 
  a. endocrine
  b. muscular
  c. nervous
  d. exocrine
  e. connective

Question 2

Which of

bklynbeauty86   17   3 Replies

lizfloyd1

If an aerobic organism stopped taking in oxygen gas, which of the following processes would stop ...

If an aerobic organism stopped taking in oxygen gas, which of the following processes would stop ...

If an aerobic organism stopped taking in
  oxygen gas, which of the following processes
  would stop first?
 
  a. the splitting of glucose into two pyruvates
  b. the reduction of NAD+ to NADH
  c. the release of carbo

Alexis23   17   2 Replies

Alexis23

George is a normal XY boy. Who among the following would essentially have the same Y chromosome as ...

George is a normal XY boy. Who among the following would essentially have the same Y chromosome as ...

George is a normal XY boy. Who among the
  following would essentially have the same Y
  chromosome as George?
 
  a. his fathers brother
  b. his mothers father
  c. his mothers brother
  d. his fathers father

dundlermuffin   17   2 Replies

dundlermuffin

The switching between asexual and sexual reproduction by water fleas is controlled by

The switching between asexual and sexual reproduction by water fleas is controlled by

The switching between asexual and sexual
  reproduction by water fleas is controlled by
 
  a. epistasis.
  b. pleiotropy.
  c. incomplete dominance.
  d. codominant inheritance.
  e. environmental effects

[

mayismqz   17   1 Reply

hbirk8

Each platelet lasts between ___ and ___ days.

Each platelet lasts between ___ and ___ days.

Each platelet lasts between ___ and ___ days.
 
  a. 1---2
  b. 3---5
  c. 4---7
  d. 5---9
  e. 10---20

Question 2

Before they enter the blood stream, what
 

nmar   17   1 Reply

drewsy20

What is the cause of coastal breezes? What will be an ideal ...

What is the cause of coastal breezes? What will be an ideal ...

What is the cause of coastal breezes?
 
  What will be an ideal response?

Question 2

Why do rain shadows form?
 
  What will be an ideal response?

kimmykgirl19   17   1 Reply

kzabec

Which of the following choices is a proximate cause of the non-combative behavior of male African ...

Which of the following choices is a proximate cause of the non-combative behavior of male African ...

Which of the following choices is a proximate cause of the non-combative behavior of male African
  cichlids that do not hold territories?
 
  a. Cichlids can detect and store information about aggressive encounters.
  b. The GnR

ilan707   17   2 Replies

ilan707

Which letter in the figure above represents the littoral zone?

Which letter in the figure above represents the littoral zone?

Which letter in the figure above represents the littoral zone?
 
  a. A
  b. B
  c. C
  d. D
  e. E

Question 2

Which letter in the figure above represents the l

dotyc92   17   1 Reply

crg0202

Why has Martin Pollak used humans in his studies of kidney disorders?

Why has Martin Pollak used humans in his studies of kidney disorders?

Why has Martin Pollak used humans in his studies of kidney disorders?
 
  a. ability to do invasive experiments d. examination of renal phenotypes followed
  by genetic analysis
  b. ability to carry out planned matings e. examin

JNASTY123   17   2 Replies

JNASTY123

Hemoglobin binds oxygen most efficiently in areas of the body where the pH is low and the ...

Hemoglobin binds oxygen most efficiently in areas of the body where the pH is low and the ...

Hemoglobin binds oxygen most efficiently in areas of the body where the pH is low and the concentration of carbon dioxide is high.
[True or False]

mewdie   17   1 Reply

Sean Bird

Despite an international agreement signed in 1987 to phase out the production of CFCs, depletion of ...

Despite an international agreement signed in 1987 to phase out the production of CFCs, depletion of ...

Despite an international agreement signed in 1987 to phase out the production of CFCs, depletion of the ozone will continue to affect Earth and its atmosphere for at least another one hundred years.
[True or False]

Braca643   17   2 Replies

Braca643

The DNA of a eukaryotic cell is found within the ________.

The DNA of a eukaryotic cell is found within the ________.

The DNA of a eukaryotic cell is found within the ________.
A) archaea
B) nucleus
C) prokaryotic cell
D) insulin

samualson   17   1 Reply

guzman

Which of these is most closely associated with Darwin?

Which of these is most closely associated with Darwin?

Which of these is most closely associated with Darwin?
A) energy flow
B) ecosystem structure
C) the three domains of life
D) natural selection

samualson   17   2 Replies

samualson

What name is given to the open ocean?

What name is given to the open ocean?

What name is given to the open ocean?
A) pelagic realm
B) intertidal zone
C) benthic realm
D) photic zone

mik1104   17   2 Replies

mik1104

In the oceans, global warming has ________.

In the oceans, global warming has ________.

In the oceans, global warming has ________.
A) decreased the amount of oxygen available
B) benefited corals
C) made the water more basic
D) made the water more acidic

jhester60   17   2 Replies

jhester60

Which of these best describes Type III survivorship?

Which of these best describes Type III survivorship?

Which of these best describes Type III survivorship?
A) There is high survivorship for the very young.
B) Most individuals survive to older age intervals.
C) Survivorship is constant over the lifespan.
D) Survivorship is high for the few individu

kourtni   17   2 Replies

kourtni

Your metabolic rate depends on ________.

Your metabolic rate depends on ________.

Your metabolic rate depends on ________.
I) your age
II) your activity levels
III) genetics
A) I only
B) I and II, but not III
C) II only
D) I, II, and III

sofia97   17   1 Reply

acslammer

Which of these animals has a double circulatory system?

Which of these animals has a double circulatory system?

Which of these animals has a double circulatory system?
A) fish
B) grasshopper
C) dog
D) hydra

stfajar   17   2 Replies

stfajar

If your blood pressure were 120/70, it would mean that ________.

If your blood pressure were 120/70, it would mean that ________.

If your blood pressure were 120/70, it would mean that ________.
A) your blood pressure during systole is 120 and your blood pressure during diastole is 70
B) you have high blood pressure
C) you have low blood pressure
D) your blood pressure duri

yolomanolo   17   3 Replies

hrborst

One function of antibodies is to ________.

One function of antibodies is to ________.

One function of antibodies is to ________.
A) deactivate defensive proteins
B) stimulate the production of antigens
C) phagocytose invading bacteria
D) clump invader cells

blazingferrai   17   1 Reply

dariana_jimenez