General Biology

During which stage of mitosis does the nucleolus disappear?

During which stage of mitosis does the nucleolus disappear?

During which stage of mitosis does the nucleolus disappear?
 
  a. Prophase
  b. Anaphase
  c. Metaphase
  d. Interphase

Question 2

Give a short, concise description o

kkoonge   26   3 Replies

Anyy

During which stage of the cell cycle would a cell contain the least total amount of DNA? What will ...

During which stage of the cell cycle would a cell contain the least total amount of DNA? What will ...

During which stage of the cell cycle would a cell contain the least total amount of DNA? What will be an ideal response?
 
 

Question 2

How could telomerase inhibitors be used to tr

Tatu   60   2 Replies

Tatu

During which stage of wastewater treatment are methanogenic microbes most important?

During which stage of wastewater treatment are methanogenic microbes most important?

During which stage of wastewater treatment are methanogenic microbes most important?
A) Primary treatment
B) Secondary treatment
C) Disinfection
D) Sludge digestion
E) Biological oxidation

sab   65   2 Replies

sab

During which stage of wastewater treatment is the primary effluent aerated to allow for ...

During which stage of wastewater treatment is the primary effluent aerated to allow for ...

During which stage of wastewater treatment is the primary effluent aerated to allow for biodegradation by aerobic microbes?
A) Primary treatment
B) Secondary treatment
C) Disinfection
D) Sludge digestion
E) Sedimentation

sab   89   1 Reply

Cecil

During which stage(s) of human development are all major organs formed?

During which stage(s) of human development are all major organs formed?

During which stage(s) of human development are all major organs formed?
 
  a. embryonic, fetal, and postnatal periods
 b. fetal period only
 c. embryonic period only
 d. both the embryonic and the fetal periods

[c

Luasene   43   3 Replies

whatever77

During which state of the cell cycle would a cell contain the least total amount of DNA? What will ...

During which state of the cell cycle would a cell contain the least total amount of DNA? What will ...

During which state of the cell cycle would a cell contain the least total amount of DNA? What will be an ideal response?
 
 

Question 2

The contractile ring that works with animal

palantriel   39   3 Replies

strevi49

During which step of aerobic respiration is oxygen used?

During which step of aerobic respiration is oxygen used?

During which step of aerobic respiration is oxygen used?
A) Glycolysis
B) Fermentation
C) Krebs cycle
D) Conversion of pyruvate to acetyl CoA
E) Electron transport system

Guido   54   1 Reply

skeledent

During which time period did shallow seas cover much of the land and another burst of evolutionary ...

During which time period did shallow seas cover much of the land and another burst of evolutionary ...

During which time period did shallow seas cover much of the land and another burst of evolutionary diversification
  occur?
  a. Silurian period
  b. Permian period
  c. Devonian period
  d. Ordovician period
  e. Carbon

Unique12312   25   3 Replies

michjfrg88

During which time period did the animal in the accompanying figure appear?

During which time period did the animal in the accompanying figure appear?

endraxz   77   1 Reply

slayer909

During winter months in temperate environments organisms can die from:

During winter months in temperate environments organisms can die from:

During winter months in temperate environments organisms can die from:
 
  a. high rain fall.
  b. freezing.
  c. low sunlight.
  d. increased predation.
  e. increased pH level.

Asian101   35   1 Reply

ffattack

During ____ between predator and prey species, the predatory species becomes more efficient at ...

During ____ between predator and prey species, the predatory species becomes more efficient at ...

During ____ between predator and prey species, the predatory species becomes more efficient at catching prey, while
  the prey species becomes better at escaping predators.
  a. character displacement
  b. coevolution
  c. Batesia

supernumerary   72   3 Replies

cg5232

During ________, a phosphate group is transferred from a metabolic intermediate to an ADP to synthes

During ________, a phosphate group is transferred from a metabolic intermediate to an ADP to synthes

During ________, a phosphate group is transferred from a metabolic intermediate to an ADP to synthesize ATP.
A) oxidative phosphorylation
B) feedback inhibition
C) substrate-level phosphorylation
D) feedforward activation
E)

Established!   144   3 Replies

ch1990

During, or shortly after a meal, most cells use which of the following as a source of energy?

During, or shortly after a meal, most cells use which of the following as a source of energy?

During, or shortly after a meal, most cells use which of the following as a source of energy?
 
  a. fat
  b. amino acids
  c. glucose
  d. glycogen
  e. minerals

Question 2[

RedManchester23   70   2 Replies

RedManchester23

Dwarfism is sometimes due to a lack of the secretion of growth hormone by the

Dwarfism is sometimes due to a lack of the secretion of growth hormone by the

Dwarfism is sometimes due to a lack of the secretion of growth hormone by the
A) anterior pituitary.
B) parathyroid.
C) pancreas.
D) adrenal medulla.
E) adrenal cortex.

tyressjones   78   2 Replies

tyressjones

Dwarfism may be due to insufficient production of

Dwarfism may be due to insufficient production of

Dwarfism may be due to insufficient production of
  a. mineralocorticoid.
  b. glucocorticoid.
  c. calcitonin.
  d. GH
  e. the parathyroid hormone.

Question 2

Acromega

solaiman   30   3 Replies

miacampbell

Dybdahl and Lively conducted a survey of the proportion of a particular asexual snail clone in a ...

Dybdahl and Lively conducted a survey of the proportion of a particular asexual snail clone in a ...

Dybdahl and Lively conducted a survey of the proportion of a particular asexual snail clone in a population and the degree to which this clone was infected with a particular parasite.
 
  What prediction of the red queen hypothesis do the

Slorquet   24   1 Reply

jessicadbarnes

Dying due to too high density?

Dying due to too high density?

Is there an occurrence in plants or microbes that causes a species to become sick and die from too much density?

I am new to Biology and found this forum.
Unfortunately I can not classify if there is such a thing as dying in plants d

Algaarve   98   3 Replies

Anonymous

Dynamic equilibrium receptors are found in the:

Dynamic equilibrium receptors are found in the:

Dynamic equilibrium receptors are found in the:
A) cochlea
B) semicircular canals
C) malleus
D) oval window
E) vestibule

barry   1085   2 Replies

barry

Dysplasia occurs when an abnormal structural change occurs in a cell.

Dysplasia occurs when an abnormal structural change occurs in a cell.

Dysplasia occurs when an abnormal structural change occurs in a cell.
[True or False]

jrdavis   52   2 Replies

jrdavis

Dystrophin is a protein that normally

Dystrophin is a protein that normally

Dystrophin is a protein that normally
  A. shortens and lengthens to produce muscle contraction.
  B. carries signals into muscle cells to initiate contraction.
  C. strengthens the attachment between muscle proteins and the plasma mem

fokkdsn   30   1 Reply

blvan

DZ twins are no more or less genetically similar to each other than ____________________ are. Fill ...

DZ twins are no more or less genetically similar to each other than ____________________ are. Fill ...

DZ twins are no more or less genetically similar to each other than ____________________ are. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

The correlation coe

riiiiooottt   17   1 Reply

bvillan1

E-cigarettes are often regulated as a tobacco product that contains chemicals, but they do not ...

E-cigarettes are often regulated as a tobacco product that contains chemicals, but they do not ...

E-cigarettes are often regulated as a tobacco product that contains chemicals, but they do not contain tobacco.
[True or False]

Miche   43   2 Replies

Miche

E. coli 0157:H7 is a foodborne pathogen.

E. coli 0157:H7 is a foodborne pathogen.

E. coli 0157:H7 is a foodborne pathogen.

Question 2

Which dairy breed has the highest level of milk production?

Question 3

All of the following are fat-soluble vitamins

thetick24   57   1 Reply

MeowMeow

E. coli adenylyl cyclase is most active when:

E. coli adenylyl cyclase is most active when:

E. coli adenylyl cyclase is most active when
A) extracellular glucose levels are low.
B) intracellular levels of lactose are low.
C) intracellular levels of lactose are high.
D) intracellular levels of cAMP are high.

Dugg   62   1 Reply

mastema

E. coli and many other bacteria of the human gut need to have fine-tuned regulation of gene ...

E. coli and many other bacteria of the human gut need to have fine-tuned regulation of gene ...

E. coli and many other bacteria of the human gut need to have fine-tuned regulation of gene expression in order to
A) replicate their DNA.
B) metabolize any nutrient.
C) effectively compete for space and nutrients.
D) grow.

ceybe   78   2 Replies

ceybe

E. coli can synthesize the amino acid threonine or absorb it from the environment. In the thr ...

E. coli can synthesize the amino acid threonine or absorb it from the environment. In the thr ...

E. coli can synthesize the amino acid threonine or absorb it from the environment. In the thr operon, the repressor is active when it is bound to threonine. If an E. coli bacterium is in an environment where threonine is absent, will transcription of

rossn   35   1 Reply

ghazal

E. O. Wilson coined the term ________ for our innate appreciation of wild environments and living organisms.

E. O. Wilson coined the term ________ for our innate appreciation of wild environments and living organisms.

E. O. Wilson coined the term ________ for our innate appreciation of wild environments and living organisms.
A) bioremediation
B) bioethics
C) biophilia
D) biophobia

fluffycookie   39   1 Reply

joelatino

Each amino acid differs from others only by the

Each amino acid differs from others only by the

Each amino acid differs from others only by the
A) number of its carboxyl groups.
B) number of central carbon atoms.
C) number of peptide bonds in the molecule.
D) characteristic of its R group.
E) size of its amino group.

Established!   91   3 Replies

ch1990

Each amino acid is composed of a central carbon that forms covalent bonds with four other ...

Each amino acid is composed of a central carbon that forms covalent bonds with four other ...

Each amino acid is composed of a central carbon that forms covalent bonds with four other atoms/molecules. These atoms/molecules include each of the following EXCEPT which one?
A) an R group
B) an A group
C) an amino group
D) a hydrogen atom
E)

mzeplin   43   1 Reply

Terrica095

Each antenna complex absorbs light energy and transfers it to its reaction center, which consists of ...

Each antenna complex absorbs light energy and transfers it to its reaction center, which consists of ...

Each antenna complex absorbs light energy and transfers it to its reaction center, which consists of chlorophyll
  molecules and ____.
  a. P680
  b. proteins
  c. carotenoids
  d. accessory pigments
  e. thylakoid membr

jina   68   1 Reply

svanschaik

Each antibody has ______ binding site(s); binding of antibodies to a virus particle results in the ...

Each antibody has ______ binding site(s); binding of antibodies to a virus particle results in the ...

Each antibody has ______ binding site(s); binding of antibodies to a virus particle results in the particles being ________.
 
  a. one; disrupted and hydrolyzed
  b. two; disrupted and hydrolyzed
  c. two; clumped with other par

JohanaT16   56   2 Replies

JohanaT16

Each archgonium produces many eggs. _____________________ Indicate whether the statement is true or ...

Each archgonium produces many eggs. _____________________ Indicate whether the statement is true or ...

Each archgonium produces many eggs.
  _____________________ Indicate whether the statement is true or false.

Question 2

In algae, gametangia are generally unicellular.
  ______________

Andrearcarter95   23   3 Replies

mlevans624

Each B cell of the immune system produces

Each B cell of the immune system produces

Each B cell of the immune system produces
A) its own unique antibody.
B) several different types of antibodies.
C) an infinite diversity of antibodies.
D) the antibodies specified by its constant region gene.

tyressjones   125   2 Replies

tyressjones

Each breed of dog is known to be susceptible to certain illnesses, such as heart problems, eye ...

Each breed of dog is known to be susceptible to certain illnesses, such as heart problems, eye ...

Each breed of dog is known to be susceptible to certain illnesses, such as heart problems, eye disorders, or thyroid problems. Why do dog breeders often go to great lengths to breed a dog that's unrelated to a dog they want to breed?
A) Ind

chezmoi   132   2 Replies

chezmoi

Each carbon atom can share pairs of electrons with as many as ____ other atoms.

Each carbon atom can share pairs of electrons with as many as ____ other atoms.

Each carbon atom can share pairs of electrons with as many as ____ other atoms.
  a. two
  b. three
  c. four
  d. five
  e. six

Question 2

A compound that contains b

Arroyo21   41   2 Replies

Arroyo21

Each carbon atom can share pairs of electrons with as many as ________ other atom(s). (Fill in the blank)

Each carbon atom can share pairs of electrons with as many as ________ other atom(s). (Fill in the blank)

Each carbon atom can share pairs of electrons with as many as ________ other atom(s).
 
  Fill in the blank(s) with correct word

Question 2

Organic molecules consist mostly of ____

littleroberts   45   2 Replies

littleroberts

Each cell carries out __________ tasks that keep it alive. (Fill in the blank)

Each cell carries out __________ tasks that keep it alive. (Fill in the blank)

Each cell carries out __________ tasks that keep it
  alive. Fill in the blank(s) with the appropriate word(s).
 
 

Question 2

Structural and functional organization emerges

tere   32   2 Replies

tere

Each cell contains two chromosomes with genes for the same traits; these chromosomes are called ...

Each cell contains two chromosomes with genes for the same traits; these chromosomes are called ...

Each cell contains two chromosomes with genes for the same traits; these chromosomes are called ________.

james.is.21   128   2 Replies

james.is.21

Each cell is able to maintain a constant internal environment. This condition is called

Each cell is able to maintain a constant internal environment. This condition is called

Each cell is able to maintain a constant internal
  environment. This condition is called
  a. metabolism.
  b. homeostasis.
  c. physiology.
  d. adaptation.
  e. evolution

Questi

G.zepp   42   2 Replies

G.zepp

Each cell is able to maintain an internal environment within a range that favors survival. This ...

Each cell is able to maintain an internal environment within a range that favors survival. This ...

Each cell is able to maintain an internal environment within a range that favors survival. This condition is called
 
  a. metabolism.
  b. homeostasis.
  c. physiology.
  d. adaptation.
  e. evolution.

[color

TheBoss52034   52   3 Replies

walravenseric