High School Level Science

Use the following info in 15 to answer 15&16. 17&18 are both different questions

Use the following info in 15 to answer 15&16. 17&18 are both different questions

#15. Use the following information to answer the next two questions.

All Vulcans have pointed ears (P) and a right-sided heart (R) which are dominant over Earthling alleles of rounded ears (p) and a left-sided heart (r). Both Vulcans and

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Aliya1   3522   55 Replies

Grace I

Match four of the hormones of the negative feedback numbered above with their function given below.

Match four of the hormones of the negative feedback numbered above with their function given below.

Match four of the hormones of the negative feedback numbered above with their function given below.

A. Estrogen
B. FSH   
C. LH   
D. Progesterone

1. Stimulates the development of an ovum   
2. Stimulates the corp

serenak4s   357   7 Replies

Grace I

Should competitive athletes be allowed legal access to synthetic hGH?

Should competitive athletes be allowed legal access to synthetic hGH?

So the question asks

Please read the FYI on page 449. Continue by reading Issue 3 on page 447.

FYL says: Yoda. the world's oldest known mouse, lived for over four years, or about the equivalent of 136 human years! Richard

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salaacarterr   5988   18 Replies

kaykaydawg

Sensory neurons, neuron stimulation and impulses?

Sensory neurons, neuron stimulation and impulses?

The question is: choose a specific example of a sensory neuron, and explain neural stimulation and impulses in terms of the threshold potential and the all or non response

Here's my attempt at an answer:

Sensory Neuron: Tho

maha.t.malik   6220   2 Replies

kaykay66

A Drosophila with white eye colour was crossed with a Drosophila with apricot eye colour: 50% of th

A Drosophila with white eye colour was crossed with a Drosophila with apricot eye colour: 50% of th

1.) A Drosophila with white eye colour was crossed with a Drosophila with apricot eye colour:  50% of the offspring had apricot eye colour and 50% had honey eye colour. The genotypes of the parents were E4E4 and

Question 12 options:

bobdfhskafhs   3484   3 Replies

User2224

When Jean standing on slippery ice catches her leaping dog Daisy, the momentum of both Jean and ...

When Jean standing on slippery ice catches her leaping dog Daisy, the momentum of both Jean and ...

When Jean standing on slippery ice catches her leaping dog Daisy, the momentum of both Jean and Daisy after the catch is
A) greater than their combined momentum before the catch.
B) equal to their combined momentum before the catch.
C) somewhat le

ShanitaD220   376   2 Replies

Tay Salas

An animal that uses camouflage as a method of avoiding predation will probably demonstrate the use o

An animal that uses camouflage as a method of avoiding predation will probably demonstrate the use o

1. An animal that uses camouflage as a method of avoiding predation will probably demonstrate the use of
a) alarm responses
b) motionless behaviour
c) toxic chemicals
d) startle behaviour

2. Commensalism is a symbiotic

princess001   5529   8 Replies

girlygirl786

what is the amino acid sequence synthesized ?

what is the amino acid sequence synthesized ?

When the tRNA anticodons match for the mRNA triplet codons, then the amino acid sequence synthesized is ______.

 there was a thread to this q but i wanted to bring more attention to it.

EA   980   4 Replies

girlygirl786

Pedigree

Pedigree

This pedigree traces tongue rolling in a family.The ability to roll your tongue in controlled by a dominant allele; people with the recessive allele cannot roll their tongue. Identify the phenotypes and genotypes of all the people shown in this pedig

fosmanali01   991   3 Replies

girlygirl786

Cell division

Cell division

Mitosis refers to
A) the allocation of genetic material and cytoplasmic contents evenly to each new daughter cell
B) a complete set of o e of each homologous pair distributed to reproductive cells (gametes)
C) the division of the cyto

angie19   881   4 Replies

girlygirl786

In garden pea plants, round seeds (R) are dominant to wrinkled seeds (r).

In garden pea plants, round seeds (R) are dominant to wrinkled seeds (r).

#22.In garden pea plants, round seeds (R) are dominant to wrinkled seeds (r). In an ideal pea plant population exhibiting Hardy–Weinberg equilibrium, 35 pea plants out of 92 have wrinkled seeds. Calculate the frequency of homozygous round pea plants

Aliya1   800   7 Replies

bio_man

Population growth and interactions questions 6 8 9 help please confused :(

Population growth and interactions questions 6 8 9 help please confused :(

#6.Black-tailed prairie dogs used to be found in Alberta, but due to their destructive nature on farmland, the intensive efforts by ranchers and farmers to eradicate these animals has reduced the species to being found only in Saskatchewan.
A fa

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Aliya1   2022   26 Replies

Bryan Kriescher

Snapdragons may be tall or short, and they may be red, white, or pink. The allele for short is reces

Snapdragons may be tall or short, and they may be red, white, or pink. The allele for short is reces

https://biology-forums.com/index.php?topic=12948.0;highlight=snap
could i please see a Punnett square for this? Im a little confused

EA   1021   3 Replies

millena1016

Which neuron function is most likely affected by diisopropyl fluorophosphate?

Which neuron function is most likely affected by diisopropyl fluorophosphate?

I need help with the following:
Diisopropyl fluorophosphate is a very powerful nerve gas found in many insecticides. Because it can inactive acetgylcholinesterase for several weeks, this nerve gas is a particularly lethal substance.
Which n

BIOLOGY FREAK   5773   4 Replies

Shyrone Roshiell Baptista

Cell Theory and Plant and Animal Cells (Questions and Answers)

Cell Theory and Plant and Animal Cells (Questions and Answers)

CELL THEORY AND PLANT AND ANIMAL CELLS
1)   Define the following:
a) organism – any living thing capable of response to stimuli; can be unicellular or multicellular
b) cell – simplest unit that can carry out all life processes
c) or

ibundalevski   11661   5 Replies

Freda Zhao

Explain the statement: "At the same pressure, cold air is more dense than warm air."

Explain the statement: "At the same pressure, cold air is more dense than warm air."

Explain the statement: "At the same pressure, cold air is more dense than warm air."

U2rodksyidj   121   2 Replies

Katie Dillingham

The winter food supply of buds from shurbs influences that stability of snowshoe hare populations. T

The winter food supply of buds from shurbs influences that stability of snowshoe hare populations. T

1. The winter food supply of buds from shurbs influences that stability of snowshoe hare populations. The available
supply of "nutritious buds" is a/an
a) density-independent limiting factor for snowshoe hare
b) example of a

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princess001   8345   21 Replies

jmmz10

Which of the following rows differentiates the two Hardy–Weinberg equations?

Which of the following rows differentiates the two Hardy–Weinberg equations?

#13. Which of the following rows differentiates the two Hardy–Weinberg equations?
Select one:
a.p + q = 1( Allele frequency)  p2 +2pq+q2 = 1 (Phenotype frequency)
 b.p + q = 1 ( Genotype frequency) p2 +2pq+q2 = 1(Phenotype frequen

Aliya1   415   7 Replies

shuib nur

Bio 30-1 Population Genetics - Cystic Fibrosis Allele Frequencies

Bio 30-1 Population Genetics - Cystic Fibrosis Allele Frequencies

Cystic Fibrosis

Cystic fibrosis is an autosomal recessive disorder that affects 1 in 3 000 newborns with Caucasian background. It causes thick mucus build-up in various organs and can cause damages and problems in respiratory and digestiv

Seori   527   3 Replies

duddy

Bio 30-1 Population Genetics - Predation vs Parasitism

Bio 30-1 Population Genetics - Predation vs Parasitism

Which of the following rows correctly describes the difference between predation and parasitism?

Select one:
a.
Predation
The host species is unharmed, and its life is sustained to benefit the other species.
Parasitism

Seori   167   1 Reply

duddy

Bio 30-1 Population Genetics - Interspecific competition occurs and Predators are more likely to

Bio 30-1 Population Genetics - Interspecific competition occurs and Predators are more likely to

These are two I am stuck on, I put b for the first and d for the second but I am not too sure about the first one, it seems too easy.

Predators are more likely to
Select one:
a. diversify the alleles of both the prey and predator

Seori   148   1 Reply

bio_man

Population growth and interactions question 10,11 and 12

Population growth and interactions question 10,11 and 12

#10.Water wisteria is an aquatic plant that is easy to care for and reproduces very quickly. A small man-made pond of 350 L contains 100 water wisteria plants. 20 new plants are introduced daily to the pond, while 75 plants are taken out once a week

Aliya1   615   5 Replies

Seori

Population growth and interactions questions 4&5

Population growth and interactions questions 4&5

#4.It is estimated that approximately 20,000 grizzly bears live in Western Canada, Yukon, and Northwest Territories. Currently, there are 109 grizzly bears remaining in Jasper National Park in an area of 10,878 km2.
Calculate the density of the

Aliya1   413   8 Replies

Seori

An eager graduate student at Carleton, counts geese in the marshes off the Ottawa river. In 2004, ...

An eager graduate student at Carleton, counts geese in the marshes off the Ottawa river. In 2004, ...

An eager graduate student at Carleton, counts geese in the marshes off the Ottawa river. In 2004, they counted 2500 geese. During the next year, 500 goslings hatched, 45 immigrated, 200 died and 30 emigrated. Determine the following:
a) Populati

jennaxx   2551   1 Reply

bio_man

If total colour blindness was due to a gene located on the Y chromosome, then:

If total colour blindness was due to a gene located on the Y chromosome, then:

2) If total colour blindness was due to a gene located on the Y chromosome, then:

A) the trait would appear only when the individual inherited the dominant gene
 
B) males would inherit the gene from their mothers
 
C)

ZOË95   6772   13 Replies

mh.christina

The speed at which a population size changes over a specific time is known as a population's

The speed at which a population size changes over a specific time is known as a population's

que-1
The speed at which a population size changes over a specific time is known as a population's
Select one:
a. distribution
b. density
c. founder effect
d. growth rate
que-2
The calculation of the growt

Gops   390   3 Replies

jerusalem

DNA LIGASE

DNA LIGASE

A scientist creates a substance that denatures the enzyme DNA ligase. What impact will this substance have on the cell cycle? Explain.

amer157   8528   7 Replies

mh.christina

how some insects develop resistance to pesticides in terms of natural selection

how some insects develop resistance to pesticides in terms of natural selection

how do some insects develop resistance to pesticides in terms of natural selection

poutygoth   828   9 Replies

trishia sanchez

Lab Procedure- Urinalysis

Lab Procedure- Urinalysis

Your task is to design an experiment to test prepared laboratory samples to identify.

1) a normal person
2) an insulin dependent patient
3) a mild diabetes mellitus insulin-independent patient

You are given three beake

amin19   15449   13 Replies

Ryan P.

Grade 12 Human Development Questions

Grade 12 Human Development Questions

The outer layer of the blastocyst, the trophoblast, will develop into the
a) chorion, which will form the placenta
b) placenta, which will form the chorion
c) germ layers, which provide immunity for the developing embryo
d) germ l

princess001   3652   6 Replies

Ryan Christian Patriarca

Correct interpretation of Person A's graph supports the hypothesis that Person A, following a fast,

Correct interpretation of Person A's graph supports the hypothesis that Person A, following a fast,

I have attached the picture it asks for

Correct interpretation of Person A's graph supports the hypothesis that Person A, following a fast, had
a) decreased levels of insulin
b) increased levels of thyroxine
c) decrease

princess001   4214   4 Replies

Hoy

CELL DIVISION. HELP ASAP PLEASE

CELL DIVISION. HELP ASAP PLEASE

https://biology-forums.com/index.php?topic=21341.0
Are these answers correct?? it doesnt seem too clear.

EA   1842   7 Replies

Alyssa Alcantara

The Old Order Amish is a relatively small population of individuals found in the US ...

The Old Order Amish is a relatively small population of individuals found in the US ...

#32.The Old Order Amish is a relatively small population of individuals found in the United States in Pennsylvania and Ohio. They are a very isolated population due to their strong religious beliefs and lifestyle that have continued for more than 200

Aliya1   880   11 Replies

PleaseKillMePlease

Population growth and interactions question 13&14

Population growth and interactions question 13&14

#13.A sample of raw ground beef initially contained 113 E. Coli bacteria. After six hours, there are 139,713 cells in the sample.
What is the growth rate of the E. coli population?
Express your answer using scientific notation in the form

Aliya1   820   10 Replies

PleaseKillMePlease

Arnold Strongman wearing socks and Suzie Small in gym shoes have a tug-of-war on a polished floor. ...

Arnold Strongman wearing socks and Suzie Small in gym shoes have a tug-of-war on a polished floor. ...

Arnold Strongman wearing socks and Suzie Small in gym shoes have a tug-of-war on a polished floor. The likely winner is
A) Arnold.
B) Suzie.
C) neither, a tied score
D) no basis for predicting

babesitter09   122   4 Replies

Ladel7

population problem!

population problem!

Between 1996 and 2001, Cochrane Alberta was the fastest growing municipality in Canada, with a per capita growth rate of 0.589. There were about 7424 people living in Cochrane in 1996. How many people lived there in 2001?

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lindsaym   7237   14 Replies

Mariam Awan

If one were to treat myopia(nearsightendess) by laser surgery,one would alter?

If one were to treat myopia(nearsightendess) by laser surgery,one would alter?

If one were to treat myopia(nearsightedness) by by laser surgery,one would alter the

A.Choroid
B.Cornea
C.Retina
D.Sclerae

Majdelly   923   5 Replies

Ryan Christian Patriarca

Which graph illustrates progesterone levels if the ovum is not fertilized

Which graph illustrates progesterone levels if the ovum is not fertilized

Which graph illustrates progesterone levels if the ovum is not fertilized

*T
*R
*V
*S

i think its R, not exactly sure. what do you guys think?

jasminex0   3176   2 Replies

jerusalem

A car by itself is capable of a certain maximum acceleration. When it tows a car of the same mass, ...

A car by itself is capable of a certain maximum acceleration. When it tows a car of the same mass, ...

A car by itself is capable of a certain maximum acceleration. When it tows a car of the same mass, its maximum acceleration is
A) half.
B) one-third.
C) one-fourth.
D) the same.
E) none of these

Bubbles1999   693   8 Replies

Nicholas Gonzales

Population and genetics questions #2 and #6

Population and genetics questions #2 and #6

#2. Choose from the drop down menu the correct frequency for the statements below.
Options: 1. Genotype frequency
                2. Phenotype frequency
           

Aliya1   379   6 Replies

Seori