High School Level Science

How long until I start to actually like complex mathematics?+other related stuff

How long until I start to actually like complex mathematics?+other related stuff

Hey folks :-)

So yeah how long does it take to start really liking mathematics, especially the more difficult ones like calculus, nonlinear algebra, etc. Did Einstein find it fun? Why can't I. I think there might be something wrong w

licarush   590   2 Replies

Stevbo

The M and N factors are glycoproteins that are found on the surface of red blood cells. Unlike other

The M and N factors are glycoproteins that are found on the surface of red blood cells. Unlike other

1.) The M and N factors are glycoproteins that are found 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 h

bobdfhskafhs   2142   3 Replies

bio_man

What likely occured during the time interval 2 ms and 3 ms?

What likely occured during the time interval 2 ms and 3 ms?

I want to double check my answer before I hand in, thank you!

lillyth   1977   2 Replies

ILoveBIO30

Chemical Bonds- Nonpolar, Polar, and Ionic Bonds

Chemical Bonds- Nonpolar, Polar, and Ionic Bonds

I am having trouble distinguishing between compounds as nonpolar, polar, or ionic. Is CH4 nonpolar, polar, or ionic?

NicoleAmber00   456   1 Reply

veczar

Which of the five Hardy-Weinberg conditions is NEVER met?

Which of the five Hardy-Weinberg conditions is NEVER met?

Which of the five Hardy-Weinberg conditions is NEVER met? Why?

riza   1626   3 Replies

taige

1. The onset of labour is partly due to decreased levels of:

1. The onset of labour is partly due to decreased levels of:

a) progesterone
b) luteinizing hormone
c) estrogen
d. Folicle stimulating hormone

2.Decribe the formation of the plancenta and explain its main functions

i.luv.ed   7360   4 Replies

bio_man

Some men over the age of fifty experience difficulty in urination. The associated...

Some men over the age of fifty experience difficulty in urination. The associated...

Some men over the age of fifty experience difficulty in urination. The associated change in the male's reproductive system is most often
a) testicular cancer
b) infected ductus deferens
c) decline in pituitary FSH
d) enlarged

inquirybio   5283   3 Replies

bio_man

What are the expected phenotypes of the offspring?

What are the expected phenotypes of the offspring?

Farmers who raise sheep for wool try not to produce offspring with black wool. Black wool is very brittle and difficult to dye; therefore, white wool is more desirable. If a farmer purchases a white ram, he will generally carry out a test cross to de

C_homes   1270   1 Reply

mjcurry

Gregor Mendel examined the inheritance of two traits in pea plants; seed coat...

Gregor Mendel examined the inheritance of two traits in pea plants; seed coat...

I wasn't quite sure if this is correct or not?

C_homes   1468   5 Replies

bio_man

Which of the above parents could have a baby with blood type O?

Which of the above parents could have a baby with blood type O?

use the first picture attachment for both questions

1. Which of the above parents could have a baby with blood type O?

a.Parents 1 and 2
b.Parents 2 and 4
c.Parents 2 and 3
d.Parents 1 and 4
 
I said D,

jasminex0   1098   2 Replies

duddy

Human development

Human development

Human chorionic gonadotropin has all the following functions EXCEPT
A) it develops the chorion, which will form the placenta
B) it provides feedback to the pituitary indicating pregnancy and FSH and LH are no longer required
C) it main

angie19   1182   6 Replies

Lily18green

Can someone help label the stages of mitosis with these decriptions?

Can someone help label the stages of mitosis with these decriptions?

My professor has asked us to label the stages of mitosis using description that he provided with us, and i am having trouble getting them in order. I've listed the descriptions he gave us, we are supposed to write a number beside the description

Mitosis Sucks   386   1 Reply

bio_man

Wesrock school has 438 students of which 136 students cannot roll their tongues

Wesrock school has 438 students of which 136 students cannot roll their tongues

Wesrock school has 438 students of which 136 students cannot roll their tongues. Students who can roll their tongues are phenotypically dominant to non-rollers. Find the number of students who are homozygous dominant

angie19   1319   3 Replies

bio_man

Identify the genotypes of all the people shown in the pedigree.

Identify the genotypes of all the people shown in the pedigree.

Complete Practice problem 18 on page 615 of the textbook. Identify the genotypes of all the people shown in the pedigree. Of whose genotypes can you not be certain? Straight thumb (S)> hitchhiker thumb (s).

Question and chart are attach

lin-lin17   2325   N/A

lin-lin17

How would the immune system response to affected if macrophages were absent?

How would the immune system response to affected if macrophages were absent?

#1) how would the immune system response to affected if macrophages were absent?

A) the immune response would be the same, as other phagocytes will engulf and ingest the invading pathogens
B) antigens would not be presented to the T-

angie19   2834   6 Replies

bio_man

Autoimmune disease and vaccines

Autoimmune disease and vaccines

Insulin-dependent diabetes, the body produces
A) antibodies against insulin-destroying cells
B) antibodies against insulin-producing cells
C) antigens against  insulin-destroying cells
D) antigens against insulin-producing ce

angie19   810   5 Replies

bio_man

The following steps involved in a heartbeat from the movement the blood enters

The following steps involved in a heartbeat from the movement the blood enters

The following steps involved in a heartbeat from the movement the blood enters The heart:
( must put these these in numerical order)

1- Atria contract
2- ventricles contract
3- atria relax
4- ventricles relax
5- a

angie19   1060   1 Reply

bio_man

Which of the following statement is not true about the microbiomes

Which of the following statement is not true about the microbiomes

Which of the following statement is not true about the microbiomes
A) the microbiomes are only beneficial to the human body as long as they stay in the non-sterile zone
B) E.Coli is essential in producing vitamin k in the small intestine

angie19   2504   1 Reply

bio_man

Which blood sample above represents blood most likely taken from a person suffering from an infectio

Which blood sample above represents blood most likely taken from a person suffering from an infectio

29) which blood sample above represents blood most likely taken from a person suffering from an infection?
A.1
B.2
C.3
D.4



30) which blood sample above represents blood taken from a person suffering from sic

angie19   774   1 Reply

bio_man

What is chloride anomaly?

What is chloride anomaly?

What is chloride anomaly?? Help.

heneral luna   7700   1 Reply

psyche360

Maintaining health: the heart

Maintaining health: the heart

1) for each of the parts of the heart given, use the number 1 indicating blood in the area is oxygenated or a 2 indicating that the blood is deoxygenated.
-pulmonary artery, - right ventricle, - left atrium, - pulmonary veins

2) There

angie19   917   3 Replies

angie19

In the southeastern part of alberta, all the populations of all the organisms occupying...

In the southeastern part of alberta, all the populations of all the organisms occupying...

1) in the southeastern part of alberta, all the populations of all the organisms occupying the grassland represent


2) in a random mating population of drosophila, 5% of the flies have black bodies ( an autosomal, recessive trait) and

angie19   1771   3 Replies

bio_man

Define and provide two examples from the above biome for the term density-dependant...

Define and provide two examples from the above biome for the term density-dependant...

Southeastern alberta contains grassland that has rainfall of about 3 cm/year to 60 cm/year. This amount of precipitation is insufficient to support a forest but is greater than that of the deserts in southwestern united states. Man has devoloped gras

angie19   1492   N/A

angie19

Population genetics, growth, and interactions

Population genetics, growth, and interactions

In a given population of 243 individuals, the gene frequencies of the N alleles were found to be 0.28 calculate the number of individuals with m blood types
* I know this questions been asked but which answer was right is beyond me ... Help

angie19   1250   5 Replies

bio_man

Distribution patterns and population size

Distribution patterns and population size

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

angie19   1107   2 Replies

bio_man

The pattern of population distribution found among social animals such as a musk-ox would be

The pattern of population distribution found among social animals such as a musk-ox would be

The pattern of population distribution found among social animals such as a musk-ox would be

A. random
B. clumped
C. uniform
D. erratic

FoveaCentrali   5099   6 Replies

5seal

Pedigree charts : red green colour blindness

Pedigree charts : red green colour blindness

Based on this pedigree
A)
B)
C)
D)
If you look at the picture it shows the possible answers

angie19   712   1 Reply

bio_man

Practice problems using hardy-Weinberg equation

Practice problems using hardy-Weinberg equation

A Dominate allele, T codes for the ability to taste the compound (PTC). People who are homozygous for the recessive allele, t are unable to taste PTC. In a genetics class of 125 students: 88 students CAN taste PTC and 37 CANNOT
A) calculate the

angie19   743   1 Reply

bio_man

Genetics: sex linked inherited

Genetics: sex linked inherited

I'm stuck between A and C
A)
B)
C)
D)
The possible answers are in the picture
TIA

angie19   757   1 Reply

bio_man

The ability to thread a needle requires fine motor co-ordination that involves which two areas of th

The ability to thread a needle requires fine motor co-ordination that involves which two areas of th

The ability to thread a needle requires fine motor co-ordination that involves which two areas of the brain?   
A. Cerebrum and cerebellum
B. Cerebrum and hypothalamus
C. Cerebrum and medulla oblongata
D. Cerebellum

uniquea123   2655   3 Replies

TeslaBrain

In humans, the allele for normal blood clotting, H, is dominant to the allele for hemophilia, h. Hem

In humans, the allele for normal blood clotting, H, is dominant to the allele for hemophilia, h. Hem

In humans, the allele for normal blood clotting, H, is dominant to the allele for hemophilia, h. Hemophilia is a X-linked trait.

A hemophiliac female marries a man who is not a hemophiliac. The probability of this couple having a child th

jaykhaled_   2701   2 Replies

ILoveBIO30

Am I missing something? Bio 30 Population Genetics Genotype Frequency Question

Am I missing something? Bio 30 Population Genetics Genotype Frequency Question

The M and N factors are glycoproteins that are found 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 homoz

SOFLCSScience   1223   1 Reply

bio_man

The order in which neurons depolarize in this reflex arc is (Bio 30)

The order in which neurons depolarize in this reflex arc is (Bio 30)

The order in which neurons depolarize in this reflex arc is
a) III, II, and I
b) I, II, and III
c) II, I and III
d) I, III and II

lillyth   2075   1 Reply

bio_man

The first child of this couple was Rh-negative. What is the chance that the second child of this cou

The first child of this couple was Rh-negative. What is the chance that the second child of this cou

1.) The first child of this couple was Rh-negative. What is the chance that the second child of this couple be a girl and be Rh-negative? Show your work. 3 marks

HINT: 0.50 is incorrect. Do you remember the Fundamental Counting Principle f

bobdfhskafhs   3940   3 Replies

bio_man

What are some examples of homeostasis in The Princess Bride?

What are some examples of homeostasis in The Princess Bride?

We watched The Princess Bride in class and are supposed to write an essay on how it relates to homeostasis. I found one example of Fezzik the giant who has the growth hormone. I also used Vizzini, the short guy, as another example. I needed a few mor

Chuckie   8200   N/A

Chuckie

please help me!! populations grow and interaction

please help me!! populations grow and interaction

1. In studying a populations of lizards, scientists sampled 47 sections of a habitat. Each section was 29 km2 . the density of lizards was 1/3.8 km2

a) calculate the size of the lizard population living in the area
b) What assumption

laribilla   4359   2 Replies

ILoveBIO30

Per capita growth rate for Dowling Lake Birds

Per capita growth rate for Dowling Lake Birds

According to population surveys of piping plover, there were 34 of these birds on Dowling Lake Alberta in 1992. The next year, the population of piping plover on Dowling Lake was 39. Calculate the per capita growth rate for the piping plover populati

sophie234   1829   2 Replies

ILoveBIO30

Human Reproductive system

Human Reproductive system

#1)    The male reproductive system is similar to the female reproductive system in that
a) Gonads that produce gametes are held outside the body
b) gametes are produced in high numbers ( more than 100 million sperm per day)

angie19   3034   3 Replies

padre

In the first month of pregnancy...

In the first month of pregnancy...

In the first month of pregnancy,

Question 20 options:
   
a.fingers and toes are fully operational

   
b.the brain is formed and the heart is beating

   
c.arms and legs appear

   
d.skelet

jaykhaled_   4763   11 Replies

iMMORTAL153

A 0.600 m long pendulum is used to determine the acceleration due to gravity on

A 0.600 m long pendulum is used to determine the acceleration due to gravity on

A 0.600 m long pendulum is used to determine the acceleration due to gravity on a distant planet.  If 20 complete oscillations are completed in 35.5 s, the acceleration would be...

biochicka   7999   2 Replies

biochicka