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August 30, 2014

Search: Evolutionary Science (stem-lineage?)

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Evolutionary Science (stem-lineage?)
I'm reading this article and it says the following: "the PRL regulatory gene HoxA-11 experienced a period of strong positive selection in the stem-lineage of eutharian mammals" What does this mean? I'm not to sure what they mean when they're referring to stem-lineage.
March 15, 2011 by Lena

science
i need help with these questions because i need to write a report on it helpp please What are the implications of stem cell reasearch for today and future generations What are stem cells? What are they capable of? How are they used in science/ medicine presently? What ...
September 23, 2007 by chelsea

algebra
The stem-and-leaf plot represents the average monthly high temperatures in Tampa, Florida. What is the third quartile (Q3) of the temperatures? stem 6 leaf 9, stem 7 leaves 1 2 6 7, stem 8 leaves 1 4 7 9 9, stem 9 leaves 0 0 A. 85 B. 87 C. 88
October 24, 2011 by tracy

science
What are lineage bears.
May 15, 2014 by Anonymous

Science
Describe in one paraghraph what embryonic and adult stem cells are and how knowing the difference relates to the artice (the article was on stem cells from human skin; no embryos needed). How do i answer that and what are embryonic cella and adult stem cells
February 25, 2008 by Kathryn

science cant figure it out
4 What do scientists now think about the pace of evolutionary change? A Gradualism best explains the pace of evolutionary change. B Punctuated equilibrium best explains the pace of evolutionary change C A combination of both gradualism and punctuated equilibrium explains the ...
June 12, 2014 by k.k

science (check!)
Darwin assumed that evolutionary change was always slow and gradual. What was the first evidence that suggested evolutionary change might happen fast sometimes? a. homologous structures b. fossils c. reproduction rates*****? d. DNA sequences
June 12, 2014 by k.k

Science
Has Cloning and Stem cell any advantages? disadvantages? and should it be banned 'cause maybe its bad? What do other's prefer more, have cloning and stem cells or not?
August 9, 2013 by Ice13

medicine
What is the main difference between a stem cell and a cancer cell? A. A stem cell grows at a faster rate than a cancer cell B. A stem cell obeys signals to stop growth, but a cancer cell doesn't C. A stem cell is usually external; a cancer cell is usually internal D. A stem ...
August 7, 2010 by Beth

psychology
1)What is your opinion of the Evolutionary theory of personality? How might you see yourself--traits of yourself operating for an evolutionary purpose? I am not quite understanding the theory of evolutionary theory of personality. Can someone please explain it to me? Thnx.
January 27, 2008 by Phylis

science
What are stem cells? Stem cells, the basic building blocks of human development, are sometimes called “magic seeds.” That’s because they can regenerate human tissue of various kinds. The use of stem cells is controversial because the best source for the cells is human embryos...
April 19, 2007 by HERSHEYS

Ecology
Please explain and evaluate the adaptionist view of evolutionary ecology. There may be an article to help you here: http://www.evolutionary-ecology.com/
October 8, 2006 by airkon

Biology
Which of the following statements correctly compares the functions of a plant's roots and stem? The stem contains a high percentage of cells that provide structural support, unlike the roots. The stem is the first part of the plant to emerge from a seed, followed by the roots...
September 28, 2012 by Madi

stem cells
Stem cells may open the door to discoveries about many diseases and may allow treatments for diseases to be developed. However many ethical issues surround stem cell research which need to be addressed by scientists, governments, etc. a. Explain why scientists would want to ...
December 9, 2012 by Casey

PlEaSe HeLp Me!!!
Describe in one paraghraph what embryonic and adult stem cells are and how knowing the difference relates to the artice (the article was on stem cells from human skin; no embryos needed). How do i answer that and what are embryonic cella and adult stem cells
February 25, 2008 by Kathryn

Physics
A hydrometer consists of a spherical bulb and a cylindrical stem with a cross-sectional area of 0.400 cm^2. The total volume of the bulb and stem is 13.2 cm^3. When immersed in water, the hydrometer floats with 8.00 cm of stem above the water surface. When the hydrometer is ...
July 9, 2010 by Deanna

degree
16. Which article would be the most appropriate source to include in a bibliography for a research paper on stem cells? A. Carroll, Jill and VandeHei, Jim. "Mouse Cells in Stem Lines May Limit Use." Wall Street Journal 24 Aug. 2001: A3. B. Lemonick, Michael D., David Bjerklie...
May 8, 2012 by johnny

7th grade science
what is evolutionary divergence?
February 1, 2009 by Karen

biology
Stem cells may open the door to discoveries about many diseases and may allow treatments for diseases to be developed. However many ethical issues surround stem cell research which need to be addressed by scientists, governments, etc. a. Explain why scientists would want to ...
December 9, 2012 by Casey

science
What do scientists now think about the pace of evolutionary change?
January 1, 2014 by Anonymous

Biology
24. Characteristics that biologists use to classify organisms are a. convergent evolution, cladogram, reproductive isolation b. reproductive isolation,evolutionary history, shared derived characteristics c. binomial nomenclature, shared derived characteristics, evolutionary ...
February 16, 2010 by mysterychicken

biology
Discuss how the concept of time applies to ecological situations and evolutionary changes. Do ecological time and evolutionary time ever correspond? If so, what are some examples? i dont get this question at all...please help thanks in advance
October 4, 2007 by michelle

ela
in the poem lineage what does they mean
March 2, 2014 by Sophia

english
what does they mean in the poem lineage
March 2, 2014 by Anonymous

Science
Most of our knowledge of evolutionary tracks comes from stars found in?
January 2, 2007 by Liz

Information Literacy
Which of the following is an article from a popular magazine? A. Carroll, Jill and VandeHei, Jim. "Mouse Cells in Stem Lines May Limit Use." Wall Street Journal 24 Aug. 2001: A3. B.Siegal, Andrew. "Neutrality and Consensus: Towards a Viable Policy on Human Stem Cell Research...
February 1, 2012 by Brianna

7th grade math
How do you figure out the place value of the stem and leaf of a stem-and-leaf plot???????????????
February 26, 2010 by Pamela

Math Stem and leaf plots
Stem Leaf 2 9 3 6 6 7 8 9 4 4 5 5 7 9 5 1 4 9 6 1 3 5 Between what numbers are most of the points earned? 6
April 4, 2013 by Jerald

poetry
What is the Cause and Effect of the Poem Lineage by Margaret Walker?
September 6, 2010 by Katty

Spanish: PLEASE HELP
Please help. Thank You. 1. The stem-changers in the current section are similar to those in the previous section except these stem-change "o" to "oe." *A.) true B.) false 2. Of the following, which is not a stem-changing verb? A.) almorzar *B.) comer C.) volver D.) contar E.) ...
February 26, 2013 by James

Pre-Algebra
1. What data are represented by the stem-and-leaf plot below? 3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode and the median of the ...
March 20, 2013 by Janessa

ALGEBRA! URGENT.
1. What data are represented by the stem-and-leaf plot below? 3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode and the median of the ...
March 5, 2014 by Caroline

Math.
1. What data are represented by the stem-and-leaf plot below? 3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode and the median of the ...
March 5, 2014 by Bonnie

Spanish
Please help. Thank You. 1. The stem-changers in the current section are similar to those in the previous section except these stem-change "o" to "oe." A.) true B.) false 2. Of the following, which is not a stem-changing verb? A.) almorzar B.) comer C.) volver D.) contar E.) ...
February 26, 2013 by James

science
Exhibit a behaviour that you do every day that you think is influenced by heredity and environment. Describe how three of the seven modern perspectives/approaches of psychology would be used to explain your behavior. Make sure that your discussion is not too personal in nature...
May 15, 2013 by padarnalat

Math Help? Check my answers.
1. What data are represented by the stem-and-leaf plot below? 3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41, 43, 47, 52, 54 b. 73, 83, 93, 14, 34, 74, 25, 45 c. 7, 8, 9, 1, 3, 7, 2, 4 d. 37, 38, 39, 14, 34, 74, 25, 45 2. Find the mode and the median of the ...
March 5, 2014 by Caroline

Spanish: Please help
Please help. Thank You. 1. The stem-changers in the current section are similar to those in the previous section except these stem-change "o" to "oe." A.) true B.) false 2. Of the following, which is not a stem-changing verb? A.) almorzar B.) comer C.) volver D.) contar E.) ...
February 26, 2013 by James

Spanish: Please help
Please help. Thank You. 1. The stem-changers in the current section are similar to those in the previous section except these stem-change "o" to "oe." A.) true B.) false 2. Of the following, which is not a stem-changing verb? A.) almorzar B.) comer C.) volver D.) contar E.) ...
February 26, 2013 by James

Science
Darwin assumed that evolutionary change was always slow and gradual. What was the first evidence that suggested evolutionary change might happen fast sometimes? a. homologous structures b. fossils c. reproduction rates d. DNA sequences Which of the following provides evidence ...
November 14, 2013 by Anonymous

Science
Darwin assumed that evolutionary change was always slow and gradual. What was the first evidence that suggested evolutionary change might happen fast sometimes? a. homologous structures b. fossils c. reproduction rates d. DNA sequences Which of the following provides evidence ...
November 15, 2013 by Anonymous

Science
While the Sun's evolutionary track moves to the ______ on the H-R diagram, the tracks of very massive stars are almost horizontally to the right?
January 2, 2007 by Liz

Science
Just overall ideas, working on paper: How can evolutionary theory be used to explain both adaptive and maladaptive eating behavior?
June 11, 2013 by AhmadM

Algebra
The stem-and-leaf plot represents the average monthly high temperatures in Tampa, Florida. What is the first quartile (Q1) of the temperatures? Round to the nearest tenth. Stem leaf 6 9 7 1267 8 14799 9 00
May 2, 2013 by Allie

Physics
A hydrometer is an instrument for measuring the specific gravity of a liquid. For example, producers of maple syrup use the hydrometer to find how much sugar is in the collected sap. Markings along a stem are calibrated to indicate the specific gravity for the level at which ...
January 26, 2011 by MJ

lansing stem academy
math is learn more about science and social studies
October 19, 2012 by reh

Poems help pplz
What similarities are between the grandmothers in The Courage That My Mother Had, and Lineage. I read the poem but I'm not so sure.
January 25, 2009 by Kisha

english
Hi, I need help finding these 3 questions please: I couldnt find them, thanks!!(1) what are the ethical concerns of embryonic stem cell research? (2) what are the benefits of related to adult stem cell reseach? (3) who are the voices in our society who will decide on how the ...
September 18, 2011 by jessica

Stasistics
Problem 2 Here is another distribution you have seen before; it is the distribution of scores discussed in Lecture 2.1. 4|8 5|9 6|3337 7|0002355 8|01234788 9|015556 10|0 : 6.0 points Each part is worth 2 points. a) Use the stem and leaf plot to find the 20th percentile: ...
February 25, 2013 by A

Morpheme Practice (Lit)
Hi I'm confused on what is an stem extender and morphemes. Underline any stem extenders in the word below. Philosophy Banana Pheumectomy Anthropology How many morphemes do the following contain? Sown 1 Airsickness 2? Ohio 1 Algebra not sure. expel 1? Congenital 2? Cognate 2? ...
November 27, 2011 by Skye

Psy/405
I need help locating information for these questions please. Describe the differences between dispositional and evolutionary or biological personality theories. Discuss the strengths and limitations of dispositional and evolutionary or biological personality theories as they ...
June 24, 2014 by Paul

Math
What data are represented by the stem-and-leaf plot below? stem-and-leaf plot 3| 7 8 9 4| 1 3 7 5| 2 4 37, 38, 39, 41, 43, 47, 52, 54 73, 83, 93, 14, 34, 74, 25, 45 7, 8, 9, 1, 3, 7, 2, 4 37, 38, 39, 14, 34, 74, 25, 45
May 20, 2014 by Anonymous

SCience(fossils)
Structures in different animals that have similar functions but are different in evolutionary origin and pattern if development are said to be______________ IS IT HOMOLOGOUS STRUCTURE
November 14, 2011 by Adam

Stem Cells
Are adult stem cells found only in adults human beings or all human beings regardless of age?
October 31, 2008 by Lena

Poem Lineage by Margaret Walker
I need help with this question? How does the last line affect the interpretation of the poem.
January 25, 2009 by Kisha

Biology
Stem height in the pea plant is one of the traits studied by Mendel. The tall allele is dominant to the short stem allele. What is the probability of a tall offspring if two heterozygous plants are mated? What proportion of the tall offspring is likely to be homozygous?
March 25, 2013 by arthur

physics
specific gravity: Suppose the hydrometer has a cylindrical stem of cross-sectional area 0.400 cm2. The total volume of the bulb and stem is 8.8 cm3 and the mass of the hydrometer is 4.8 gm. (c) What is the lowest specific gravity that can be measured with this hydrometer? I'm ...
January 25, 2011 by trace

science
can someone post five reasons as to why embryonic stem cells research is needed? I have these already: 1. Repair injuries 2. Used to test medicine
March 15, 2008 by john

science
which best describe the desert? a.thick,waxy leaves b.many large leaves. c.a shallow root system.d.a tall,woody stem.
May 4, 2010 by kim

Science
Does a plant grow under ground or above ground or does the stem support the plant when it first began to sprout?
September 19, 2008 by Deja

Grade 8 SCIENCE
1. How is the vascular tissue in the stem different from the vascular tissue in the root? 2. Could you explain the relationships between seeds and fruits??
October 20, 2009 by RAE

Biology!!
Darwin is considered the "father of evolutionary biology." Four of his contributions to the field of evolutionary biology are listed below. The nonconstancy of species. Branching evolution, which impleies the common descent of all species. occurrence of gradual changes in ...
January 16, 2011 by Mary

biology/science
i am doing a paper and i need to find the pros to embryonic stem cells I only have one reason which is medical but I need 4 more. Can anyone give me general ideas of pro arguments
March 14, 2008 by john

Math
For questions 4–5, use the following two ways to display the test scores recieved on Mr. Alexander's math test. Use these displays to solve each problem. Stem | Leaf 6 | 8 9 7 | 0 3 5 8 9 8 | 1 2 2 5 7 8 8 9 9 | 0 2 3 Pie Chart: 80-89= 44.4% 90-99=16.6% 70-79=27.7% 60-69=11.1...
March 27, 2013 by SpiersTheAmazingHd

Psychology
Jan is continuously late for school and has been stealing from others lockers and purses. How would each of these perspectives explain her behavior? Biological: Evolutionary: Humanistic: Jan could feel that she can't make her own choices, and can't control anything, but that ...
September 4, 2011 by Jewbee

psychology
Exhibit a behaviour that you do every day that you think is influenced by heredity and environment. Describe how three of the seven modern perspectives/approaches of psychology would be used to explain your behavior. Make sure that your discussion is not too personal in ...
May 15, 2013 by mymalaca

evolutionary standpoint
speaking from an evolutionary standpoint, would you say mitosis preceded meiosis or meiosis preceded mitosis or synapse preceded cell division or cell division preceded synapse.
April 14, 2007 by Melissa

physiology
An evolutionary “simple” muscle would be?
November 20, 2008 by dt

ecology
Describe the evolutionary basis for behavior?
September 28, 2011 by Anonymous

Evolutionary Bio
What is Ghost of selection past?
October 1, 2012 by M

Algebra 1
Roses-R-Red sells its roses for a fixed down payment of $20 plus $0.75 per stem. Flower Power sells its roses for a fixed down payment of $60 plus $0.50 per stem. Which company offers the better deal? Which flower distributor would you use? why?
August 24, 2013 by Angela

psycholoogy
Behavioral geneticists and evolutionary psychologists emphasize
November 18, 2012 by alexis

science
specifically what part of the brain is the spinal cord attached to. I know its attached to the brain stem but is it specifically to the cerebellum?
June 8, 2008 by Anonymous

classical mechanics
A hydrometer is a device that measures the density of a liquid. The one shown in the figure has a cylindrical bulb of radius attached to a cylindrical stem of radius and length . When placed in a liquid, the device floats as shown in the figure with a length of stem protruding...
December 10, 2013 by socorro

Biology
what are the evolutionary trends in organisms? what are the modern evolution theory
January 2, 2008 by Ashie

early childhood
evolutionary psychology and behavior genetics: watson
February 23, 2012 by jen

Evolutionary Bio
Is Amborella considered a magnoliid, monocot, or eudicot and why?
October 15, 2012 by M

gr.12 bio
how did natural selection influence the degree and rate of evolutionary change?
November 30, 2009 by kat

gr.12 bio
how did natural selection influence the degree and rate of evolutionary change?
November 30, 2009 by kat

science review
since tomorrow is my test. Please check: seed coat- skin covering the seed to protect the inner parts Hilum- ? cotyledon- where nutritient is stored inside the seed embryo- part of a seed that grows into a plant. it include roots, leaves, and stem?
May 17, 2012 by Celest

Math
Camilles math teacher described a quadrilateral with 2 pairs of parallelvsides and 4 lineage of symmetry. Which of these quadrilaterals must have the characteristics that Camilles math teacher described? A. Trapeziod B. Square C. Rhombus D.parallelogram
April 10, 2011 by Kourtney

Physics Classical Mechanics
A hydrometer is a device that measures the density of a liquid. The one shown in the figure has a cylindrical bulb of radius R attached to a cylindrical stem of radius r and length l. When placed in a liquid, the device floats as shown in the figure with a length h of stem ...
December 11, 2013 by Anonymous

science
How does sickle cell anemia occur--what type of mmutation is it--is it a substitution, deletion, or insertion mutation--or is it all three? Also, How would gene splicing, cloning, or stem cells help a patient with sickle cell---would any of these be any help at all..how???
January 24, 2008 by peter

Literature
would you say darwinism is the most believed out of all the evolutionary theories?
January 7, 2009 by Mandy

Psychology 240
How do various behaviors of social dominance and courtship affect the evolutionary process?
January 21, 2010 by Rosalynn

city college
discuss the cultural versus evolutionary explanations for gender differences in aggressiveness.
April 10, 2010 by allison

psychology
How do various behaviors of social dominance and courtship display affect the evolutionary process?
April 17, 2010 by erica

psychology
how do various behaviors of social dominance and coutship display affect the evolutionary process
September 4, 2013 by sally

Stem Cell Research
Hi I need to find 4 articles about stem cell research. 2 need to be ones that just support it and 2 the just oppose it. Does anyone have any link of web sites where I can find this. It can't talk about both it has to oppose or support. Also a website would be ok but if you ...
February 27, 2010 by Rebekah

Spanish
1. Of the following verbs, which is a stem-changing verb? A.) merendar B.) beber C.) estudiar D.) sacar 2. We call these verbs stem-changing because A.) they have stems, leaves and petals. B.) they have a spelling change in the first part of the verb in all forms. C.) they ...
February 14, 2013 by Cassie

Psychology
1. Samantha is suffering from fatigue and sometimes cannot make herself get out of bed in the morning. She feels that the world is a sad, unhappy place and would like to be relieved of her existence. Dr. Powell and Samantha examine her feelings very closely and consider the ...
October 24, 2011 by John

evolutionary bio
If a mutation would be beneficial, is it more likely to occur? a)Yes, because it helps the species survive b)No
June 4, 2008 by natash

AP Biology
Describe the evolutionary basis for behavioral ecology. Explain why these adaptations may result in suboptimal behavior.
August 5, 2008 by eeta

Advanced Biology
How can muscle protein fingerprints be used to study evolutionary relationships among organisms?
December 6, 2009 by Jennifer

Math
The average number of new virus particles (virions) produced by a virally-infected cell during its lifetime is called the burst size. We will call the burst size N. Under reasonable assumptions, N can be approximated by N = p/u(p) where p is the rate of production of new ...
October 18, 2011 by clam

Grammar-Capitalization
What should be capitalized? she was in the south helping rebuild grace community center when a man cut his hand with a saw and she helped him stem the bleeding. Answer: She was in the South helping rebuild Grace Community Center when a man cut his hand with a saw and she ...
May 12, 2011 by Leslie

Stem
What controls move robotic arm?
February 24, 2012 by Dj John

Biology
Name of banana's stem,flower
November 1, 2012 by Ajai

english lanuge arts
what are stem words?
November 3, 2012 by parth

science
Which experimental approach would be the most effective and easiest to clearly determine the evolutionary relationship between these 2 organisms? The 2 organisms are a starfish and snake. A. Sequence the same gene in both species to compare their similarity. B. Dissect ...
May 5, 2014 by brianna

Math
1. What type of graph does not show the number of times a response was given? (1 point) box-and-whisker plot line plot stem-and-leaf plot bar graph 2. Which of the following types of information is suited for display on a scatter plot? (1 point) relationship between favorite ...
April 5, 2013 by Anonymous

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