kont24

From the yeast count activity, predict what the population count for yeast would be at 200 hours...

From the yeast count activity, predict what the population count for yeast would be at 200 hours...

Question:

From the yeast count activity, predict what the population count for yeast would be at 200 hours. Provide an explanation for the population count prediction (e.g. How did you arrive at this count?)

From the results, li

dallas99   59   1 Reply

bio_man

How might Population Ecology be useful to you, or how can you apply this knowledge to your everyday ...

How might Population Ecology be useful to you, or how can you apply this knowledge to your everyday ...

Question:

How might Population Ecology be useful to you, or how can you apply this knowledge to your everyday life as a non-scientist?

dallas99   43   1 Reply

bio_man

Briefly explain why biologists use sampling, rather than counting all members of the population of ...

Briefly explain why biologists use sampling, rather than counting all members of the population of ...

Question: Briefly explain why biologists use sampling, rather than counting all members of the population of interest.

dallas99   47   2 Replies

psyche360

Duchenne muscular dystrophy is an X-linked recessive trait. The following pedigr

Duchenne muscular dystrophy is an X-linked recessive trait. The following pedigr

Duchenne muscular dystrophy is an X-linked recessive trait. The following pedigree shows the occurrence of this disorder in an extended family. Provide the phenotypes and genotypes of all the individuals in the pedigree. Enter phenotypes as affected,

ppcehbrown   2019   4 Replies

Hard

duddy

Omeone who is choking, stand behind the patient and put your arms around his or her abdomen, ...

Omeone who is choking, stand behind the patient and put your arms around his or her abdomen, ...

 

_ayobeitches   28   1 Reply

bio_man

When using random sampling techniques, which type of dispersion is most effective?

When using random sampling techniques, which type of dispersion is most effective?

Question:

When using random sampling techniques, which type of dispersion is most effective?  In other words, which dispersion model will give the most accurate estimation of population size?

Briefly explain why this would

dallas99   34   2 Replies

bio_man

What priority assessments will you do for this patient?

What priority assessments will you do for this patient?

This is Joseph Smith. He is 19-years old with no medical history except a fractured leg as a teenager. He is not on any meds. He does construction and does not have insurance. When we got on scene his house was fully involved with fire and he was out

Yeshiva29   47   1 Reply

Hard

bio_man

Regulation of a hypothetical operon

Regulation of a hypothetical operon

You are studying a bacterium that utilizes a sugar called athelose. This sugar can be used as an energy source when necessary.
Metabolism of athelose is controlled by the ath operon. The genes of the ath operon code for the enzymes necessary to

han0991   4783   4 Replies

Queen40

List 7 distinguishing characteristics of the Animalia kingdom

List 7 distinguishing characteristics of the Animalia kingdom

List 7 distinguishing characteristics of the Animalia kingdom

dallas99   67   2 Replies

psyche360

In garden peas, tall is dominant to short. If two heterozygous tall plants are crossed, what ...

In garden peas, tall is dominant to short. If two heterozygous tall plants are crossed, what ...

In garden peas, tall is dominant to short. If two heterozygous tall plants are crossed, what proportion of the tall progeny will be homozygous dominant?

1. 1/2

2. 3/4

3. 1/4
 
4. 1/3

Joelleskalembe   60   1 Reply

bio_man

What is produced during transcription?

What is produced during transcription?

1. Proteins

2. MRNA molecule

3. DNA molecule

4. RNA polymerase

Joelleskalembe   47   1 Reply

bio_man

Competitive athletes who have used synthetic hGH to become bigger, taller, faster, and stronger ...

Competitive athletes who have used synthetic hGH to become bigger, taller, faster, and stronger ...

Competitive athletes who have used synthetic hGH to become bigger, taller, faster, and stronger often suffer from side effects after prolonged usage of human growth hormone.
Some of these side effects include cancer and diabetes mellitus. Can y

fatenshtay   426   1 Reply

bio_man

Bovine somatotropin (BST)

Bovine somatotropin (BST)

 que=
Bovine somatotropin (BST) is a growth hormone approved for use in the United States to increase milk production in dairy cattle. Currently, its use is banned in Canada. Independent studies completed by the FDA and World Health Organization

Gops   45   1 Reply

bio_man

The enzyme Aminoacyl-tRNA synthethase is responsible for binding amino acids to tRNA. This requires ...

The enzyme Aminoacyl-tRNA synthethase is responsible for binding amino acids to tRNA. This requires ...

The enzyme Aminoacyl-tRNA synthethase is responsible for binding amino acids to tRNA. This requires energy from the release of two phosphates from ATP oxidizing the ATP to ____

1.  AMP
 
2. an enzyme

3. ADP

Joelleskalembe   32   1 Reply

bio_man

Name the condition that might cause this hormonal imbalance. List two symptoms.

Name the condition that might cause this hormonal imbalance. List two symptoms.

Blood Test Results for Patient A
 Patient A
 Normal Range
 Thyroxine Levels
 0.6 ug/dl
 4.6 - 12 ug/dl
 TSH Levels
 6.9 mcU/mL
 0.4 - 4.2 mcU/mL


a. Identify the gland(s) that is(are) ca

Gops   65   2 Replies

bio_man

When two liquids mix with each other in any ratio, we say that the substances are ___________.

When two liquids mix with each other in any ratio, we say that the substances are ___________.

help

aspicer3   42   1 Reply

bio_man

The individual kernels of corn are a stage in the life cycle of a corn plant. Each kernel develops f

The individual kernels of corn are a stage in the life cycle of a corn plant. Each kernel develops f

Dihybrid Corn Lab: (1 of 9)
The individual kernels of corn are a stage in the life cycle of a corn plant. Each kernel develops from a separate fertilization of an egg to form a zygote, a seed. The kernels in the above diagram represent individua

Alyssaalbertson   320   1 Reply

bio_man

One strand of a double-stranded DNA has the following sequence (written in standard 5' to 3' ...

One strand of a double-stranded DNA has the following sequence (written in standard 5' to 3' ...

One strand of a double-stranded DNA has the following sequence (written in standard 5' to 3' form): AAGAACCC. What is the sequence of the complementary strand for this portion?

1. UUCUUGGG

2. GGGUUCUU
 
3. G

Joelleskalembe   27   1 Reply

bio_man

The "transforming principle" phenomena is the ability of dead pathogenic bacteria to pass

The "transforming principle" phenomena is the ability of dead pathogenic bacteria to pass

<1> The "transforming principle" phenomena is the ability of dead pathogenic bacteria to pass their disease-causing properties to live, non-pathogenic bacteria. The agent identified in the "transforming principle" put forth

12

SAMH   17494   26 Replies

Hard

ROSE6666

The M and N factors are glycoproteins on the surface of red blood cells.

The M and N factors are glycoproteins on the surface of red blood cells.

The M and N factors are glycoproteins on the surface of red blood cells. Unlike other types of red blood cell antigens, the M and N factors do not cause antibody reactions in human blood transfusions. People with type M blood are homozygous for the M

4bio   117   5 Replies

bio_man

One strand of a double-stranded DNA has the following sequence (written in standard 5' to 3' ...

One strand of a double-stranded DNA has the following sequence (written in standard 5' to 3' ...

1. UUCUUGGG

2. GGGUUCUU

3. GGGTTCTT
 
4. TTCTTGGG

Joelleskalembe   55   1 Reply

duddy

Suppose that in a fruit fly population the frequency of the recessive allele that codes for short wi

Suppose that in a fruit fly population the frequency of the recessive allele that codes for short wi

1) Suppose that in a fruit fly population the frequency of the recessive allele that codes for short wings (l) is 0.39. What would be the expected homozygous recessive genotype frequency in the next generation? The population is not evolving. Round y

ShaeShae   3175   9 Replies

ROSE6666

All of the following statements are conditions of the Hardy-Weinberg principle, except

All of the following statements are conditions of the Hardy-Weinberg principle, except

All of the following statements are conditions of the Hardy-Weinberg principle, except

Select one:
a. natural selection against a phenotype
b. large population in which chance events do not alter allele frequencies
c. random

ROSE6666   41   1 Reply

bio_man

In 1918, an epidemic of sleeping sickness caused an unusual rigid paralysis in some survivors, ...

In 1918, an epidemic of sleeping sickness caused an unusual rigid paralysis in some survivors, ...

In 1918, an epidemic of sleeping sickness caused an unusual rigid paralysis in some survivors, similar to symptoms of advanced Parkinson’s disease. Years later, L-dopa (below, left), a chemical used to treat Parkinson’s disease, was given to some of

chaeyeon   83   2 Replies

dtimmons95

Emergent Properties Several emergent properties of water contribute to the suitability of the ...

Emergent Properties Several emergent properties of water contribute to the suitability of the ...

 Emergent Properties Several emergent properties of water contribute to the suitability of the environment for life. In a short essay (100–150 words), describe how the ability of water to function as a versatile solvent arises from the structure of w

chaeyeon   41   1 Reply

bio_man

The condition in which an individual has very high blood sugar levels is known as

The condition in which an individual has very high blood sugar levels is known as

que=
The condition in which an individual has very high blood sugar levels is known as

a. hyperatrophy
b. hyperopia
c. hyperglycemia
d. hypothyroidism

que=
Insulin dependent diabetes is characterized by

Gops   77   1 Reply

bio_man

Describe the shape of the age pyramid for each country

Describe the shape of the age pyramid for each country

Examine the age pyramids shown below.

A) Describe the shape of the age pyramid for each country.

B) For each country, which would be greater—the birth rate or the death rate? Explain your answer.

C) Explain how the ag

4bio   62   2 Replies

4bio

Calculate the frequency of the allele (G) in the population.

Calculate the frequency of the allele (G) in the population.

In a randomly mating population of mice, 5 of every 100 mice born have white fur, a recessive trait. Calculate the frequency of the allele (G) in the population.

Amanda85   43   1 Reply

bio_man

The M and N factors are glycoproteins on the surface of red blood cells.

The M and N factors are glycoproteins on the surface of red blood cells.

The M and N factors are glycoproteins on the surface of red blood cells. Unlike other types of red blood cell antigens, the M and N factors do not cause antibody reactions in human blood transfusions. People with type M blood are homozygous for the M

4bio   44   1 Reply

bio_man

In the Caucasian population of North America, one out every 10 000 babies is born with a recessive ...

In the Caucasian population of North America, one out every 10 000 babies is born with a recessive ...

In the Caucasian population of North America, one out every 10 000 babies is born with a recessive condition known as phenylketonuria (PKU). This condition is controlled by a single pair of alleles. People who are homozygous recessive for the PKU gen

4bio   34   1 Reply

bio_man

Hyposecretion of hGH during childhood result in a condition called dwarfism. Children affected with ...

Hyposecretion of hGH during childhood result in a condition called dwarfism. Children affected with ...

Select one:
a. will not have normal height and may suffer from acromegaly
b. will have normal height and suffer from acromegaly
c. will have decreased fat mass and increased muscle mass
d. will have increased fat mass and decrease

Gops   37   1 Reply

bio_man

How to prepare for International Biology Olympiad?

How to prepare for International Biology Olympiad?

I have read Lehninger (1st and 3rd part), Campbell Biology and Molecular Biology of the Cells Alberts.

Alshok   392   2 Replies

martyynyyte

Intraspecific competition limits a population size as

Intraspecific competition limits a population size as

 Intraspecific competition limits a population size as

Select one:
a. competition for resources intensifies as two species compete for resources
b. certain alleles give some individuals a competitive advantage; "less fit&quo

4bio   80   3 Replies

moose225

Does the glu– allele ever confer a disadvantage?

Does the glu– allele ever confer a disadvantage?

In the presence of poison-laced glucose, cockroaches that refuse glucose will have a much higher survival rate than cockroaches that feed indiscriminately. This explains why the glu– allele frequency increases over time in a population exposed to poi

gray87   2082   1 Reply

fattyu

Using the evolutionary distances from the provided chart..

Using the evolutionary distances from the provided chart..

Using the evolutionary distances from the protein sequences activity (Step 4 of the procedures), fill in the diagram below. The letters should correspond with the sequence numbers (e.g., 1, 2, 3, 4, or 5).


[url=https://biology-forum

dallas99   53   3 Replies

Medium

bio_man

Lemna minor, a species of duckweed, can reproduce to form new plants very quickly.

Lemna minor, a species of duckweed, can reproduce to form new plants very quickly.

Lemna minor, a species of duckweed, can reproduce to form new plants very quickly. Suppose that a small backyard pond of 100 L contains 25 Lemna minor plants, and the expected growth rate of the population is 1.0 x 10^2 plants per day.

Num

4bio   61   2 Replies

4bio

Suppose that sample of beef broth initially contains 16 bacterial cells

Suppose that sample of beef broth initially contains 16 bacterial cells

Suppose that sample of beef broth initially contains 16 bacterial cells. After 4.0 h, there are 1.6 x 10^6 bacterial cells in the sample. Calculate the growth rate of the bacterial population for the given time interval.
1 mark

Record

4bio   57   1 Reply

psyche360

It is estimated that there are more than 1 million species of insects on this planet...

It is estimated that there are more than 1 million species of insects on this planet...

It is estimated that there are more than 1 million species of insects on this planet. Based on this and information gained from this laboratory, what phylum most likely comprises over 90% of the Earth's species? Briefly justify your answer.

dallas99   64   1 Reply

psyche360

Provide the family name for each shark based on the use of the dichotomous key provided

Provide the family name for each shark based on the use of the dichotomous key provided

1.Provide the family name for each shark based on the use of the dichotomous key provided:

Shark 1
Shark 2
Shark 3
Shark 4
Shark 5
Shark 6
Shark 7
Shark 8
Shark 9
Shark 10
Shark 11
Sha

dallas99   42   1 Reply

Hard

psyche360

The four processes that change the number of individuals in population size relative to the original ...

The four processes that change the number of individuals in population size relative to the original ...

The four processes that change the number of individuals in population size relative to the original number are

Select one:
a. birth rate, immigration, migration, and biotic potential
b. natality, immigration, mortality, and emig

4bio   31   1 Reply

bio_man