Evolutionary Science (stem-lineage?)

33,467 results

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.

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 ...

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

science

What are lineage bears.

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 ...

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

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

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?

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 ...

algebra

A stem-and-leaf plot has a stem of 4 and leaf of 6, but has no a key, Give two possible values that stem represents. Explain the your thinking.

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.

Math

Untitled Stem and leaf plot. Vertical line separates each stem number from its first leaf number. First row. Stem 2. Leaves 6, 7, 7. Second row. Stem 3. Leaves 0, 2, 3, 3, 4. Third row. Stem 4. Leaves 0, 5. Key. 3 vertical line 0 means 30. What is the median of the data in ...

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 ...

Law and Ethics Medical

. Which of the following has the most potential to treat the widest variety of diseases? A. Adult bone marrow B. Stem cells in umbilical cord blood C. Amniotic stem cells D. Embryonic stem cells A?

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/

Law and Ethics Medical

Which of the following has the most potential to treat the widest variety of diseases? A. Adult bone marrow B. Stem cells in umbilical cord blood C. Amniotic stem cells D. Embryonic stem cells I have NO CLUE on what is the right choice

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...

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 ...

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

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 ...

Physics

When observing a stem of coconut trees during sunshine,how the light cannot pass through the leaves of the coconut tree even though it is thin and it form shadow, whereas the stem allows the light to pass through them but their stem is thick and how possible this could be??

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...

7th grade science

what is evolutionary divergence?

Science

A fungus called stem rust penetrates the cells of a wheat plant, causing water loss, destruction of food-producing parts, and retarded root developemtn. Both the yield and quality of the grain are reduced. This relationship of stem rust to wheat would best be classified as A. ...

science

3.If a gap in the fossil record exists between ancient and modern forms of a species, which of the following is the most appropriate conclusion? A. The gap indicates that gradualism must have occurred for the species to evolve from ancient to modern form.*** B. The gap ...

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 ...

Biology

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 ...

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 ...

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 don't get this question at all...please help thanks in advance

science

What do scientists now think about the pace of evolutionary change?

Science

Most of our knowledge of evolutionary tracks comes from stars found in?

ela

in the poem lineage what does they mean

english

what does they mean in the poem lineage

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...

7th grade math

How do you figure out the place value of the stem and leaf of a stem-and-leaf plot???????????????

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

poetry

What is the Cause and Effect of the Poem Lineage by Margaret Walker?

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.) ...

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 ...

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 ...

science

what is meant by vegetative propagation by stem?

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 ...

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 ...

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.) ...

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...

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 ...

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.) ...

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.) ...

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 ...

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?

Science

Just overall ideas, working on paper: How can evolutionary theory be used to explain both adaptive and maladaptive eating behavior?

science

body parts found in two or more similar species ______ help scientists from theorists about evolutionary relationships plz help

algebra

A 10 ft. long stem of bamboo is broken in such a way that its tip touches the ground 3 ft. from the base of the stem, as shown in the figure. What is the height of the break? please show me how to do it I'm reviewing for our final exam... thanks in solving it, is it right to ...

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

science

who does vegetative propagation by stem occur. CAN YOU PLEASE TELL ME I'LL BE VERY THANKFUL !!

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 ...

lansing stem academy

math is learn more about science and social studies

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.

stem and leaf plot

construct a stem and leaf plot for the typing speed data, where 4|5 means 45

english

Hi, I need help finding these 3 questions please: I couldn't 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 ...

Math

Use the sterm-and-lead plot below to answer questions 1-3 Stem Leaf 5 4 5 6 0 6 9 7 2 3 4 5 5 8 1 2 8 9 9 5 6 5/4= 54 1. What is the range of data? A. 40*** B. 42 C. 54 D. 96 2. What is the median of the data? A. 64.5 B. 72.5 C. 74.5*** D. 75 3. What is the mode of the data? A...

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 ...

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: ...

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? ...

Statistics

Find the interquartile range given these data points: 57,66,69,71,72,73,74,77,78,7879,79,81,81,82,83,83,88,89,94. When I used the TI-84 calculator, I got ... Q1=72.5 Q3=82.5 IQR=Q3-Q1=82.5-72.5=10 But.... When I created a stem and leaf plot I found that Q2= (78+79)/2 =78.5 Q1=...

Statistics

Find the interquartile range given these data points: 57,66,69,71,72,73,74,77,78,7879,79,81,81,82,83,83,88,89,94. When I used the TI-84 calculator, I got ... Q1=72.5 Q3=82.5 IQR=Q3-Q1=82.5-72.5=10 But.. When I created a stem and leaf plot I found that Q2= (78+79)/2 =78.5 Q1=72...

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

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

Physics

A hydrometer has a weighed bulb of volume 30cm3 and a uniform cross sectional area of 1cm3. When floating in water 3cm of the stem is immersed. What is the length of the stem when immersed in water when the hydrometer floats in the liquid of density 0.89gcm-3?

Stem Cells

Are adult stem cells found only in adults human beings or all human beings regardless of age?

Pre- Algebra

7.)The stem–and–leaf plot shows the number of fish that were caught by several ships in a fishing fleet. How many ships caught 37 fish or fewer? stem Leaves 3 | 0 3 3 5 6 4 | 0 2 4 5 8 9 9 5 | 0 1 2 4 key: 2|4 means 24 A.)12 B.)16 C.)14 D.)13 I think B is the answer but my...

Poem Lineage by Margaret Walker

I need help with this question? How does the last line affect the interpretation of the poem.

math

stem leaf plot stem leaf 5 4 5 6 0 6 9 7 2 3 4 5 5 8 1 2 8 9 9 5 6 a)what is range of data?B) median of data? C) and mode of data A)? B)74.5 C) 75

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?

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 ...

English

What is the theme in the poem Lineage by Mararet Walker and The Courage That My Mother Had by Edna st. Vincent Millay? I've trying everything from friends to textbook to google but nothing has helped me. Thank you!

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

Darwin Assumed that evolutionary change was always

Darwin Assumed that evolutionary change was always slow and gradual.

Science HELP!

The part of the brain that controls movement and balance is the A. Cerbrum B. Cerebellum C. Brain stem D. Frontal lobe Is the answer B? Thanks

health

The brain is divided into the _______. A. Cerebrum and cerebellum only B. Cerebellum and brain stem only C. Brain stem, cerebrum and diencephalons only D. Brain stem, cerebellum, cerebrum and diencephalons D?

science

which best describe the desert? a.thick,waxy leaves b.many large leaves. c.a shallow root system.d.a tall,woody stem.

science STEM FAIR

Do all liquids evaporate at the same rate ? Liquids 1. Water 2. Nail polish " Remover " 3.Ginger ale

Science

Write balanced chemical reaction of the following- Stem is passed over heated iron to form magnetic oxide of iron and hydrogen.

Science

Star athletes like Peyton Manning can travel to Europe to receive stem cell treatment that is not available in the US. What should be our general guidelines about this and other type’s experimental treatments?

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 ...

Science

Does a plant grow under ground or above ground or does the stem support the plant when it first began to sprout?

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??

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

Pure Math

can someone give me an idea on how to plot the stem and leaf of the following data , what would be the stem and leaf (the key ) ... 325671 425384 549680 858000 1315819 2001468 2061085 2943472 4246809 4605501 5107970 5415949 5451270 5627235 7245677 8139631 8506889 9346129 ...

floral desgin

A pick machine affixes a A. wood pick or a steel pick to a flower. B. stemmed flower to a foam base. C. wood pick to a flower stem. D. steel pick to a flower stem. i said it was b im not sure thoe

History

What is taxonomy? a subgroup of organisms (I also feel like its this one also) the classification of plants based on their medical uses an organisms's evolutionary history the science of classification (my answer)

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 ...

Math

For questions 4–5, use the following two ways to display the test scores received 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....

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 nature...

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.

physiology

An evolutionary “simple” muscle would be?

ecology

Describe the evolutionary basis for behavior?

Evolutionary Bio

What is Ghost of selection past?

Biology

Why is coelom considered to be an evolutionary advantage

Biology

The short stem trait (t) is recessive to the tall stem trait (T). If a homozygous short pea plant is crossed with a heterozygous tall plant, what is the chance that the offspring will be short? A. one out of four B. three out of four C. all four D. two out of four ???

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