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Questions (223)

which type of stem cell is able to differentiate into any cell type, including extraembryonic placental cells?totipotent cells
1. 1 answer
2. 11 views
in what phase of mitosis do chromosomes split into sister chromatids?anaphase telophase prophase cytokinesis
1. 1 answer
2. 11 views
which of the folowing correctly orders events during mitosis?the nuclear membrane disssolves. micritubules organize the
1. 1 answer
2. 9 views
in which phase do cells rest? anaphase metaphase prophase interphase
1. 1 answer
2. 7 views
compare and contrast traits of viruses and bacteriamade of cells___ virus or bacteria respond to stimuli___ virus or bacteria
1. 1 answer
2. 27 views
substitution mutations arealways harmful___ true or false only harmful if a resuting amino acid of the codon is changed___ true
1. 1 answer
2. 17 views
cystic fibrosis is an inherited disorder that is caused when three bases are accidentally removed from the CFTR gene. which of
1. 1 answer
2. 18 views
according to the mendelian inheritance pattern, where the trait is only determined by one gene, mice where gene B codes for
1. 1 answer
2. 15 views
according to the punnett square, what are the probabilities of each resulting genotype/phenotype when 2 hetorozygous pea plants
1. 1 answer
2. 11 views
which statement INCORRECTLY describes a provirus?A provirus is a viral DNA incorporated into the hosts cell DNA A provirus
1. 1 answer
2. 19 views
hemophilia is a bleeding disorder that primarlily affects males. which of the following statements best explains why females are
1. 1 answer
2. 9 views
how is the HIV virus different than most viruses such as influenza or the common cold?it attacks and kills red blood cells in
1. 1 answer
2. 18 views
a new virus is created by viral DNA or RNA copied in a host celltrue false
1. 1 answer
2. 11 views
which statement is true?amino acids form a polypeptide chain via carbon-carbon bonds. amino acids do not need to be assembles in
1. 1 answer
2. 16 views
during DNA replication process, a cytosine base is replaced by a thymine base- what is the result and what type of mutation
1. 1 answer
2. 8 views
Order the steps of protein synthesisstep 1_________ step 2_________ step 3_________ step 4_________ dna strand unwinds between
1. 1 answer
2. 14 views
it is difficult to produce a vaccine for the common cold because it is a viral genome that reproduces very slowly.true false
1. 1 answer
2. 20 views
it is difficult to produce a vaccine for the common cold because it is a viral genome that reproduces very slowly. true or false
1. 1 answer
2. 15 views
MNO has m<M=63 degrees and m<O=71 degrees. RST has m<R=58 degrees and m<T=71 degrees. applying the proof of the AA similarity
1. 1 answer
2. 13 views
MNO has m<M=63 degrees and m<O=71 degrees. RST has m<R=58 degrees and m<T=71 degrees. applying the proof of the AA similarity
1. 1 answer
2. 24 views
determine whether the dilation is an enlargment or a reduction.A'[B' is an enlargment of AB by a scale factor of 2. A'B' is a
1. 3 answers
2. 10 views
which statement proves that the dilation of XYZ does not pass through the center of dilation? (X at the point (-3,-3) Y at
1. 1 answer
2. 11 views
which statement proves that the dilation of XYZ does not pass through the center of dilation?XY and X'Y' both have an undefined
1. 1 answer
2. 14 views
what is one difference between gene regulation in prokaryotes and eukaryotes?prokaryotes do not store their genes in a nucleus
1. 1 answer
2. 19 views
what would happen if a cell transcribed and translated a genes intron by mistake?errors in the protein would be repaired the DNA
1. 1 answer
2. 15 views
hox genes are regulatory genes in multicellular animals that code for transcription factors that determine the basic body plan
1. 1 answer
2. 13 views
the removal of sections of RNA, called introns, occur at which regulation step in eukaryotic cells?RNA processing
1. 1 answer
2. 12 views
X=unaffected X chromosome, x=X chromosome affected by hemophilia, and Y=Y chromosome. If an Xx female and a XY male have
1. 1 answer
2. 16 views
which stage of cellular respiration in the presence of oxygen produces ATP and NADH and releases CO2? glycolysis krebs cycle
1. 1 answer
2. 20 views
which of the following does not model photosynthesis?6H2O+6O2+light ----> C6H12O6+6CO2 6CO2+6H2O+light---->C6H12O6+6O2 carbon
1. 1 answer
2. 20 views
which of the following does not model photosynthesis?
1. 1 answer
2. 9 views
If LAF=NOW find the lenght of LFa. 12 b. 7 c. 5 d. 3
1. 1 answer
2. 12 views
using the AAS congruence theorem what other information proves BIG=COW<I=<O GB=WC BG=CW BI=CO
1. 1 answer
2. 50 views
Based on the markings in the diagram, what additional information must be stated in order to prove ABC =DBC by the congruence
1. 1 answer
2. 26 views
in parallelogram ABCD, diagonal AC is drawn, and <BCA =<DAC and <BAC=<DCA. in order to prove ABC =CDA by the ASA congruence
1. 1 answer
2. 22 views
A ball is launched upward at a speed of 20 meters per second (m/s) from a 60-meter tall platform. The equation for the ball’s
1. 1 answer
2. 181 views
The temperature at noon on a summer day was 88 degrees Celsius. At midnight, the temperature had dropped 12 degrees. What was
1. 1 answer
2. 143 views
Physical vs. Chemical change quick check
1. 1 answer
2. 219 views
what expression is the simplified form of 20x^2y^5/4xy^3
1. 2 answers
2. 206 views
45÷5×(−4 2/3)
1. 1 answer
2. 194 views
a ladder leaning against the wall makes an angel of 68 degrees with the level ground . the foot of the ladder is 3 ft away from
1. 2 answers
2. 961 views
Discussion Topic: There is an expression some people use that says, “What you put into it is what you get out of it.” People
1. 0 answers
2. 471 views
which statement describes the conditions in which diamonds form?A: They form as water evaporates on the shore of very salty
1. 0 answers
2. 296 views
The fisherman weighed the fish he just caught while fishing. He thought the fish was going to weigh 29 pounds. When he weighed
1. 1 answer
2. 326 views
Find two numbersa and b whose sum a + b is 2 and whose difference a − b is -4?
1. 1 answer
2. 957 views
A tennis team has 24 members. There are twice as many girls as boys on the team. How many girls are on the tennis team?
1. 1 answer
2. 974 views
what are some the properties of organic/inorganic compounds?
1. 2 answers
2. 485 views
Si a Juan le gusta estudiar, ¿cómo es?A. paciente B. ordenado C. estudioso D. atrevido
1. 6 answers
2. 2,832 views
Which is one of the main tourist attractions in La Habana?A. El Paseo del Prado B. Cuba C. Sierra Maestra D. Matanzas
1. 9 answers
2. 4,067 views
What is the cultural significance of dominoes to people in the Spanish-speaking world?
1. 1 answer
2. 1,093 views
Juan es estudioso. Le gustai have to find the correct word. a.cantar b.leer. c.esquiar. d.bailar.
1. 1 answer
2. 837 views
(0.4*10-6)(0.7*10^-2)
1. 2 answers
2. 467 views
1. Which of the following is equivalent to x^5y^2/xy^2 when x not= 0 and y not= 0?a. x^6y^5 b. x^5y c. x^4y d. x^4
1. 63 answers
2. 17,421 views
An urn contains 10 red balls, 6 green balls, 15 orange balls, and 14 blue balls.If one ball is randomly drawn from the urn, what
1. 2 answers
2. 4,597 views
Problem PageBrian rented a truck for one day. There was a base fee of $15.99 , and there was an additional charge of 93 cents
1. 1 answer
2. 1,079 views
Find the coordinates of the point which is 3/5 of the way from (3, 2) to (-3, 5).
1. 1 answer
2. 418 views
Find the equation of the line through (-8, 9) with x-intercept trice the y-intercept.
1. 1 answer
2. 408 views
What is the equation of the line segment joining P(x, y) to (2, 4) and is parallel to the segment joining (-2, -1) and (6, 8).
1. 1 answer
2. 809 views
A 50 kg student, starting from rest, slides down an 10.8 meter high water slide. How fast is he going at the bottom of the
1. 0 answers
2. 667 views
According to the article, the reader can tell that __________.Joshua Haggmark probably believes that the best way to deal with
1. 2 answers
2. 633 views
Coach Hart calculated the mean, median, mode, and range for these data. He realized that he forgot to include Louise's 11
1. 1 answer
2. 782 views
Greg and Sam ordered a pizza for lunch. Greg ate 34 of the pizza, and Sam ate 18 of the pizza. How much of the whole pizza
1. 5 answers
2. 1,382 views
how do you unsabble RAMENAIC TIOLURVENO
1. 1 answer
2. 337 views
Unscramble letters to find the answer to what's the first thing you should do when you have a big problem to solve.Three words
1. 2 answers
2. 583 views
I have 3 ones, 2 tens,and 1 hundred. Who am I ?
1. 1 answer
2. 372 views
How would you work out when this function turns and goes in a different direction? (like a turning point for a parabola):s=0.2t(
1. 2 answers
2. 402 views
how would you find x in an equation like this?10 = 0.6x(x - 5.8)
1. 1 answer
2. 318 views
The gist of the saying went something like this: If a person wants to get ahead in life, you have to be willing to work for it.W
1. 3 answers
2. 1,603 views
Which of the following sentences contains a possessive pronoun?The beautiful red sweater was hers. She and I went to the beach.
1. 5 answers
2. 1,848 views
Which of the following options best demonstrates sentence fluency?The two boys went to the store to buy some milk with their
1. 3 answers
2. 656 views
1. Understanding which flavors complement each other can take years of practice.2. Following these basic tenets will allow you
1. 5 answers
2. 572 views
The president invited Senator Smith to the White House for a meeting before preparing his address to the United States congress.
1. 1 answer
2. 620 views
CO(g) + H2O(g)-->CO2 + H2 (g) reaction occurs in a 2.0 Ll reactor at 800 degrees celsius. The reaction conditions are such that
1. 1 answer
2. 539 views
A scuba tank contains heliox, a special breathing gas composed of 5.0% oxygen and the remainder helium, for use by divers that
1. 1 answer
2. 611 views
A 4.00 kg ball traveling North with a momentum of 11.2 kg.m/s collides with a 6.0 kg ball travelingWest with a momentum of 18
1. 1 answer
2. 4,219 views
Anna applies a force of 19.5 newtons to push a book placed on a table. If the normal force of the book is 51.7 newtons, what is
1. 5 answers
2. 4,452 views
Alice is 5 feet and has shadow of 4 feet long. how tall is the tree?
1. 1 answer
2. 381 views
the vapor pressure of carbon sulfide is 355.6 torr at 25 degrees Celsius. what is the vapor pressure of a solution prepared by
1. 3 answers
2. 1,193 views
You add 8.7g of iron to 21.30mL of water and observe that the volume of iron and water together is 22.41mL . Calculate the
1. 1 answer
2. 8,711 views
An object travels at 5.00 m/s in the +x direction and 4.00 m/s in the +y direction. What is the magnitude of its velocity?
1. 1 answer
2. 390 views
An object has a velocity of 5.00 m/s at an angle of 30.0˚ north of east. If we define east as the +x direction and north as the
1. 1 answer
2. 1,089 views
A person walks 4.0 miles east and then makes a 50° turn to the right and walks another 2.0 miles. How far is she from her
1. 1 answer
2. 1,096 views
I am a positive integer less that 30, two more than my value is a mulitple of 6 the sum of my digits is a mulitple of 7 find
1. 1 answer
2. 343 views
how many positive whole numbers smaller than 2003 have 2 as their first digit and 1 as their last digit
1. 1 answer
2. 392 views
he dimensions of a rectangular prism are (5x squared - 4x - 3) (x squared - x + 1) cm by (3x squared - 5) cm. Find a polynomial
1. 1 answer
2. 741 views
On Monday, 247 students went on a trip to the zoo. All six buses were filled and seven students had to travel in cars.How many
1. 1 answer
2. 629 views
what is your burger wrapping friends hourly wage after taxes if he works 9 hours a day, 4 days a week, and gets paid every 2
1. 1 answer
2. 458 views
write and solve a word problem that can be modeled by the difference -4 - 10.My dog lost 4 ounces this year And 10 ounces last
1. 2 answers
2. 1,288 views
5) Which foods hinder the absorption of less absorbable forms of irons in foods, such as whole grains, dried peas or beans?A.
1. 1 answer
2. 616 views
A loading ramp is 35 feet long and forms an angle measuring 10° with the ground. How high is the top end of the ramp off the
1. 1 answer
2. 642 views
The right side of the orchestra section of the Nederlander Theatre in New York City has 19 rows, and the last row has 27 seats.
1. 2 answers
2. 1,243 views
Courtney organized a charity walk. In the first year, the walk generated $3000. She hopes to increase this amount by $900 each
1. 1 answer
2. 1,207 views
Word of mouth advertising can be an effective form of marketing , or it can be very harmful. Consider a new restaurant that
1. 1 answer
2. 872 views
a new car cost $13,000 and is depreciating by $900 each year. how much will the car cost be worth after 4 years?
1. 2 answers
2. 686 views
a tube containing 3 ounces of toothpaste is being used at at rate of 0.15 ounces per day. how much toothpaste will be in the
1. 2 answers
2. 1,112 views
jessie is playing an arcade game that costs 50cents for the first game and 25cents to continue if she loses. how much will she
1. 1 answer
2. 1,491 views
a new car costs $13,000 and is depreciating by $900 each year..how much will the car be worth after 4 years?
1. 4 answers
2. 1,410 views
Which tirangles must be similar1. Two right triangles with a congruent acute angle 2. Two obtuse angles 3 Two isosceles
1. 3 answers
2. 833 views
If ab=8, BC=14, and df=33 what is ef?
1. 1 answer
2. 295 views
Two common names for streets are First Street and Main Street, with 12485 streets bearing one of these names. There are 2105
1. 1 answer
2. 757 views

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