Search: Evolutionary Science (stem-lineage?)

Number of results: 47,901

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 ...
Tuesday, March 15, 2011 at 8:06pm by Lena

Evolutionary Science (stem-lineage?)
stem lineage: specialization of stem cells into specialized cells regulating growth.
Tuesday, March 15, 2011 at 8:06pm by bobpursley

Evolutionary Science (stem-lineage?)
Thank you so much! I really appreciate it!
Tuesday, March 15, 2011 at 8:06pm by Lena

Evolutionary Science (stem-lineage?)
I will translate: The PRL regulatory gene HoxA-11 experienced a period of selection during the early placenta development of mammals, such that successful reproduction was strongly favored by some variants of the gene, and others not favored for development. This positive ...
Tuesday, March 15, 2011 at 8:06pm by bobpursley

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 ...
Sunday, September 23, 2007 at 9:03am 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
Monday, October 24, 2011 at 2:02pm by tracy

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
Monday, February 25, 2008 at 7:02pm by Kathryn

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.
Sunday, January 27, 2008 at 6:50pm by Phylis

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 ...
Saturday, August 7, 2010 at 8:53pm by Beth

Latin
There are many, many meanings for the Latin word "genus" -- race, descent, lineage, breed, stock, family So, yes, "tuum genus honora" can mean honor your lineage; honor your ancestors, honor your heritage -- but more in terms of people, that is, "your ...
Saturday, February 27, 2010 at 3:20pm by Writeacher

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...
Thursday, April 19, 2007 at 5:01pm by HERSHEYS

statistics
Organize each number into two parts: a stem and a leaf. When you have decimals, use the whole numbers as the stems and the decimals as the leaves. I'll get you started: stem | leaf 1 | 7 5 | 7 7 | 6 8 | 7 If, for example, you have a repeat of the "stem" but ...
Wednesday, September 29, 2010 at 1:09am by MathGuru

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/ Hi! Very nice site! Thanks you very much! 1SUZlCe2IiwD9 Hello! Good Site! Thanks you! yfpxkwdqhlb
Sunday, October 8, 2006 at 3:17pm 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 ...
Friday, September 28, 2012 at 3:29pm by Madi

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
Monday, February 25, 2008 at 10:34pm by Kathryn

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 ...
Sunday, December 9, 2012 at 10:51pm by Casey

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 ...
Tuesday, February 16, 2010 at 6:53pm by mysterychicken

7th grade science
what is evolutionary divergence?
Sunday, February 1, 2009 at 12:59pm by Karen

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
Thursday, October 4, 2007 at 12:26pm by michelle

Science
How do you get a stem of a flower to support the petals for a science model?
Thursday, May 14, 2009 at 1:12pm by Sally

ecology
Inorder to find the age of a plant, cut the main stem and count the number of rings,which you can see on the interior part of the stem.
Friday, August 19, 2011 at 8:28am by Sachin

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 ...
Friday, July 9, 2010 at 10:04am by Deanna

Social Studies
Look in this dictionary site at the second definition for the verb "stem." http://dictionary.reference.com/browse/stem
Saturday, June 13, 2009 at 5:45pm by Ms. Sue

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., ...
Tuesday, May 8, 2012 at 10:49pm by johnny

Science
Most of our knowledge of evolutionary tracks comes from stars found in?
Tuesday, January 2, 2007 at 4:39pm by Liz

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 ...
Sunday, December 9, 2012 at 11:19pm by Casey

7th grade math
How do you figure out the place value of the stem and leaf of a stem-and-leaf plot???????????????
Friday, February 26, 2010 at 6:05pm 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
Thursday, April 4, 2013 at 5:35pm by Jerald

biology
if it is stem means it lack of chloroplast where as if it is leaf and young stem parts means the chloroplasts is present in the form of proplastids.
Thursday, February 16, 2012 at 10:47pm by ramannachowdary

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...
Wednesday, May 15, 2013 at 10:20pm by padarnalat

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.) ...
Tuesday, February 26, 2013 at 5:20pm by James

Poem Lineage by Margaret Walker
O you know
Sunday, January 25, 2009 at 5:27pm by iiii

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 ...
Wednesday, February 1, 2012 at 1:44pm by Brianna

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?
Tuesday, January 2, 2007 at 4:39pm by Liz

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.) ...
Tuesday, February 26, 2013 at 2:53pm by James

poetry
What is the Cause and Effect of the Poem Lineage by Margaret Walker?
Monday, September 6, 2010 at 1:52pm by Katty

Science
Leaf, leaves, stem, trunk, roots: can you be creative?
Wednesday, May 12, 2010 at 5:23pm by PsyDAG

Biology
Yes. A common method of propagation is to put a stem into water or other medium. Roots grow from leaf nodes, and at least in the case of African violets, grow from the end of the stem where it was attached to the crown.
Thursday, October 22, 2009 at 11:49am by Ms. Sue

science
1> Phloem Transportation of food and nutrients such as sugar and amino acids from leaves to storage organs and growing parts of plant. This movement of substances is called translocation. Xylem Water and mineral transport from roots to aerial parts of the plant. 2&...
Wednesday, March 6, 2013 at 6:56am by saiko

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.) ...
Tuesday, February 26, 2013 at 3:11pm by James

Poem Lineage by Margaret Walker
idk what to say?(:
Sunday, January 25, 2009 at 5:27pm by kathy abad

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
Thursday, May 2, 2013 at 9:04pm by Allie

last proofreading for the weekend
Here is a good lesson in suffixes and prefixes. "normal" acid is stem + ic. 1 less O, change ic to ous. 2 fewer O, add prefix of hypo...+ ous 1 more O, add prefix per to normal. For example. HClO4 PERchlorIC acid (Per + stem + ic) HClO3 chlorIC acid (stem + ic)(...
Saturday, March 8, 2008 at 10:29pm by DrBob222

Spanish
Actually the Preterit is the most difficult of all the tenses. There are regular verbs, -ar verbs using one set of endings and -er/-ir verbs using a different set of endings. Verbs ending in -car, -gar, and -zar have a spelling change in the stem in the fist person singular: c...
Monday, October 4, 2010 at 10:06pm by SraJMcGin

lansing stem academy
math is learn more about science and social studies
Friday, October 19, 2012 at 12:13pm by reh

science
ok thank you that makes sense.....but do you know how gene splicing, cloning or stem cells would help a patient
Thursday, January 24, 2008 at 2:42pm by kelly

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 ...
Sunday, September 18, 2011 at 10:20pm by jessica

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
Monday, November 14, 2011 at 7:56pm by Adam

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: ...
Monday, February 25, 2013 at 3:31am by A

Stem Cells
Are adult stem cells found only in adults human beings or all human beings regardless of age?
Friday, October 31, 2008 at 12:45am by Lena

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 ...
Wednesday, January 26, 2011 at 12:18pm by MJ

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 ...
Sunday, November 27, 2011 at 5:19pm by Skye

Math
The data is breeds of dogs and the weight. The plot needs to contain the data about the dogs, with one stem labeled 0. I'm not sure how to put the data together in the stem-and-leaf plot.
Monday, December 10, 2007 at 5:50pm by Johnna

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.
Sunday, January 25, 2009 at 7:58pm by Kisha

english
From Dictionary.com: "6. Grammar. a bound inflectional or derivational element, as a prefix, infix, or suffix, added to a base or stem to form a fresh stem or a word, as -ed added to want to form wanted, or im- added to possible to form impossible."
Wednesday, January 7, 2009 at 5:35pm by Ms. Sue

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?
Monday, March 25, 2013 at 5:51pm by arthur

Poem Lineage by Margaret Walker
uhm im not sure the site that u r giving me is unavailable GOSH!!!!!!!
Sunday, January 25, 2009 at 5:27pm by hello hi howdy yall

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&#...
Tuesday, January 25, 2011 at 7:28pm by trace

SCIENCE STUDIES
Sponges are sessile whereas every other animals that I can think of is capable of locomotion (movement, motion). They are considered an evolutionary dead end, so to speak. That branch just kind of sort of ended at some point.
Thursday, January 29, 2009 at 6:17pm by Brandon

science
The most complicated part of the brain is the A. brain stem. C. thalamus. B. cerebellum. D. cerebrum.
Friday, November 12, 2010 at 5:05am by Anonymous

Poem Lineage by Margaret Walker
I need help with this question? How does the last line affect the interpretation of the poem.
Sunday, January 25, 2009 at 5:27pm by Kisha

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
Saturday, March 15, 2008 at 9:12pm 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.
Tuesday, May 4, 2010 at 4:31pm by kim

science
Thanks that helped a little but I'm having troubling solely based on actually thinking up these reasons on general terms.....like why is embryonic stem cell research necessary?
Saturday, March 15, 2008 at 9:12pm by john

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 ...
Sunday, January 16, 2011 at 5:25pm by Mary

psychology
I vote for ancestorial racism. The statement emphasizes "longstanding lineage . . ." which implies racism occuring over several generations.
Sunday, November 30, 2008 at 6:06pm by Ms. Sue

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.
Saturday, April 14, 2007 at 2:59pm by Melissa

spanish
Thank you for using the Jiskha Homework Help Forum. You are asking us to DO the work. You do the work first and then we HELP. Here is how to make a negative command. for tú (familiar, singular) = the "yo" stem with the "opposite vowel + s." poner = ...
Thursday, May 8, 2008 at 11:18pm by SraJMcGin

Science
You might look at some of the following sites on a GOOGLE Search: http://www.google.com/search?q=evidence+for+scientific+theory+of+evolutionary+development+of+life+on+earth&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
Tuesday, March 31, 2009 at 6:07pm by SraJMcGin

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, ...
Sunday, September 4, 2011 at 1:11pm by Jewbee

Science
Does a plant grow under ground or above ground or does the stem support the plant when it first began to sprout?
Friday, September 19, 2008 at 11:10pm by Deja

basics and tools of floral design
A pick machine affixes a a)a stemmed flower to a foam base B)wood pick or a steel pick to a flower C)steel pick to a flower stem D) wood pick to a flower stem Plz help thank you
Wednesday, March 9, 2011 at 5:09pm by bibiana

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 ...
Wednesday, March 20, 2013 at 2:14pm by Janessa

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??
Tuesday, October 20, 2009 at 9:01pm by RAE

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 ...
Wednesday, May 15, 2013 at 5:23pm by mymalaca

Biology
Most likely the one with the most descendants. Evolutionary science generally deals with the passing on of genes, and that frog would have reproduced the most and would therefore have been the most successful.
Sunday, February 24, 2013 at 9:46pm by Summer

Poem Lineage by Margaret Walker
When we listen to stories of our elders, we often find ourselves awed and humbled to learn of the hardships they endured in their lifetime. It makes us wonder if we "measure up" to them.
Sunday, January 25, 2009 at 5:27pm by BJohnston

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
Friday, March 14, 2008 at 5:31pm by john

HUM 130
Positive ways: *Many people feel better about themselves and other people by attending worship services. *Churches, synagogues, and mosques have been prime contributors to many charities. *Religions have given us one of the world's outstanding commandments: "Do unto ...
Monday, November 12, 2007 at 8:31pm by Ms. Sue

Evolutionary Bio
What is Ghost of selection past?
Monday, October 1, 2012 at 12:08am by M

ecology
Describe the evolutionary basis for behavior?
Wednesday, September 28, 2011 at 6:34pm by Anonymous

physiology
An evolutionary “simple” muscle would be?
Thursday, November 20, 2008 at 2:09am by dt

Stem Cell Research
http://news.google.com/news/search?aq=f&pz=1&cf=all&ned=us&hl=en&q=stem+cell+research http://news.google.com/news/search?aq=0&pz=1&cf=all&ned=us&hl=en&q=stem+cell+research+pros+and+cons&oq=stem+cell+research
Saturday, February 27, 2010 at 9:37am by Ms. Sue

English
There are two types of 'foreign' stem cells, adult and embryonic being investigated. As you say there is an issue about rejection, depending on where these are to be used in the body. Some parts of the body have less immune response than other parts, e.g. the brain. ...
Monday, March 2, 2009 at 9:24am by Dr Russ

psycholoogy
Behavioral geneticists and evolutionary psychologists emphasize
Sunday, November 18, 2012 at 6:01am by alexis

Evolutionary Bio
Is Amborella considered a magnoliid, monocot, or eudicot and why?
Monday, October 15, 2012 at 12:00pm by M

Pre-Algebra
Oops! Sorry! http://www.mathsisfun.com/data/stem-leaf-plots.html
Thursday, March 21, 2013 at 8:27pm by Ms. Sue

psy/240
In a psychodynamic view of an individual diagnosed with generalized anxiety it is considered that the anxiety will stem from something that happened in the patient's childhood. While in a biological perspective they may stem from a genetic predisposition, with a focus more...
Tuesday, September 29, 2009 at 10:49pm by Awesome Aaron

psychology
Freud was heavily influenced by the evolutionary models of his time.
Monday, December 10, 2012 at 12:30am by MathGuru

early childhood
evolutionary psychology and behavior genetics: watson
Thursday, February 23, 2012 at 3:45pm by jen

Evolutionary Psychology
We don't do homework, but we'll be glad to critique your answers.
Thursday, December 4, 2008 at 5:04pm by Ms. Sue

Biology
what are the evolutionary trends in organisms? what are the modern evolution theory
Wednesday, January 2, 2008 at 8:44am by Ashie

Poem Lineage by Margaret Walker
It depends mostly on the last line. It can change the poem from sad to happy or serious to funny etc, and it can also sometimes change the meaning of the poem or the feeling. Does that help?
Sunday, January 25, 2009 at 5:27pm by tera

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...
Wednesday, March 27, 2013 at 3:30pm by SpiersTheAmazingHd

science
How about: * Global warming and how the government plans to address that problem. * Whether to fund stem-cell research. * Flooding of major rivers and below-sea level cities, such as New Orleans. * Decaying bridges and what to do about them.
Monday, August 25, 2008 at 5:58pm by Ms. Sue

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?
Sunday, June 8, 2008 at 1:22pm by Anonymous

Poetry
Since you have not gotten back to us, I'll add a few things here. Poetry forces you to THINK and that is not easy! When you read a poem, if you know the background of the poet, the era when the poem was written, you can better understand the sentiments and feelings that ...
Friday, June 24, 2011 at 9:55am by SraJMcGin

biology
Evolutionary adaptations that help diverse animals exchange matter with the environment include
Sunday, March 27, 2011 at 1:05pm by amoge

biology
Try some of these links: http://search.yahoo.com/search?fr=mcafee&p=what+is+the+brain+stem+responsible+for Sra
Tuesday, November 30, 2010 at 10:08am by SraJMcGin

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

For Further Reading