science, biology

40,352 results, page 4

Science (Biology)

What part of the scientific method is this step? The choices are identifies a problem, gather info, state a hypothesis, experiment, observe & record data, or conclusion. Here is the step: Dan timed the eclipse in minutes and seconds. He wanted to see if the newspaper ...

biology

I have to do a presentation for biology on 'recycling & treatment of water' I am having difficulty with what information is important. The presentation is only supposed to last 2-3 minutes (which is part of the difficulty as I only have a short amount of time) Any tips/advice ...

bio101

2. Find a media piece—article, video, presentation, song, or other—that recognizes the fundamental concepts of chemistry in biology. Include the link or reference citation for the piece and describe how it helped you better understand how fundamental concepts of chemistry ...

Biology

I feel stupid, but seriously, I used to be better at Science than Math. Now it's the other way around. Bacterial DNA is (a) a closed loop (b) encased in a capsule (c) linear (d) found in the nucleus. The glycocalyx helps bacteria (a) survive unfavorable environmental ...

biology

how can a biologists influences lead to a greater understand of the natural world Since biology is the study of living organisms, the more we know about these organisms — including ourselves — the more we can influence these organisms to reach our goals. I hope ...

Biology

Find a recent (from 2009 June onwards) and interesting article from the mass media with a theme that is related to topics learnt in Cell Biology. So far I've learnt Membrane Structure & function,Organelles and their structure & function, as well as their membrane systems, and ...

Biology

Im doing an experiment in Biology on a drug, but im not sure where I can find information on the drug Chantix. i also have a few general questions I was hoping you could help me with... 1. Why is it improtant to have as many subjects as possible in an investigation? 2. why is ...

biology

For this assignment you will be using the course companion Web site, MasteringBiology. View and complete the MP3 tutorial: The Process of Science. and “How Does Acid Precipitation Affect Trees?” After completing the activity, develop two alternative hypotheses and ...

Biology

I am analyzing a scientific article for my biology class. I am trying to comprehend all of the terms used and am hoping I can gain other's insight as to where this article is flawed and what could have been done to improve it. The article is titled: Effect of age and coasting ...

Mathematics,Science(physics,chemistry and biology)

Two similarly charged identical ping pong balls are suspended from the common support with the help of two threads.Calculate angle between the two threads and also calculate the tension in two strings.

AP Biology

We just did the Osmosis and Diffusion lab in Biology. My teacher wants us to use water potential (and its equation) to explain the results....how do I use the water potential equation?

math

In a high school, 30% of student take physics, 15% of students take chemistry. The rest of students are taking biology. What is minimum student taking biology? A.7 B.8 C.9 D.10 E.11

7th grade math

A biology class has 28 students. Four of the students transferred out to take chemistry. Find the percent of change in the number of students in the biology class. I got 86 percent change is that right? Thank you...My mom says it's 14.3 %

Very quick question biology

I'm working on a biology project where I must make a molecule of glucose. I have finished my molecule but I want something in the middle of it which is the "centrepiece ". Can anyone give me any ideas of some things glucose is found in (food) in which I could easily find the ...

ECONOMICS

The following table illustrates the points a student can earn on examinations in economics and biology if the student uses all available hours for study. Economics Biology 100 40 90 50 80 60 70 70 60 80 50 90 40 100 Plot this student’s production possibilities curve. Does ...

Science

Sir, I am Raveesh, I have done my M.Sc in Botany and B.Ed in Chemistry and Biology. Now i am working as a Lecturer in a college from last 2 years. I really interested to do online tutoring as a TUTOR / e-tutor. But I don't know how to do? Because I stay in Bangalore, INDIA. I ...

Science/ Biology/ patho

3. A 32-year-old man comes to his physician complaining of frequency, dysuria, and urgency for several days, as well as pain in the perineal region. The digital rectal examination is extremely painful. He most likely has A. A primary chancre of syphilis in his genital organs B...

science

Using what you learned about science in your coursework thus far, discuss: 1. Why you think scientists probably want to leave what they do open to revision. 2. What are the hard-and-fast rules of science? Are there any? 3. With so few firm rules, how does science avoid ...

Chem

why is an understanding of chemistry important in biology? All digestion, nutrition, muscle usage/reactions, cell division/reproduction, and all of the enzymatic processes at work in the body are chemisty. Even eyesight is a chemical reaction. So you need to know something ...

physical Sciencw

Explain how the study of physical science has a positive impact on every day life. Weater forecasting Predicting astronomical events Making better insecticides Making more fuel efficient engines Etc...... Thank you for using the Jiskha Homework Help Forum. I remember when I ...

Biology

I'm confused on when to use a two capital letters, two lowercase letters or one of each. This is for traits. We just started it in Biology. It has something to do with heterozygous and homozygous dominant and homozygous recessive and so on. For example Pp PP pp I don't know ...

STATISTIC HELP

1.M&M candies are great for probability. The following tables are the color distributions for the candies. Fill in each table with the missing probability and answer the questions that follow. Plain Brown Blue Green Orange Red Yellow Probability 0.3 0.1 0.1 0.1 0.02 ??? Peanut...

Biology

Describe two scientific theory (atomic,kinetic,cell theory) and non scientic (moral, ethical, religious theories ).Differentiate between the scientific and non scientific theories explaining why there are some questions that science cnnot answer.

math

65 men 75 women are enfolled in calculus. There are 30 business majors, 40 biology majors, 50 computer science majors, and 20 mathematics majors. No person has a double. If a single calculus student is chosen, find the probability that that the student is not a mathematics major

mathematics

If 45 percent of the students of a class have offered mathematics and 85 percent of them biology, find the percentage of students who offered biology only?

Please Help Me :( Science: Biology, Genetics!

Please help me with science genetics questions? Thanks to all who answer!! :) 1. Chromosome pairs contain different versions of genes, which are called ________. 2. The process in which body cells are duplicated in order to grow and repair body tissues is called _____________...

Biology - fossils

my sister Shreya be sick so i posting her biology questions. one question ask hw did creationists explain fossils. she write this be about noah's flood but what be noah's flood? i look up on internet for her and there be too much confusing words. i only be able to make out ...

Human & Social Biology

(1)briefly discribe five main ways in which human pollute their enviroument. (2) briefly outline four inportant social problem maybe reduce by a knowledge of biology (3)discribe how social biologist may help to solve the problem of (A) stravation (b) poor sanitation

Psychology

Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology *C-social psychology...

AP BIOLOGY LAB

I am doing an ap biology lab on plant photosynthesis. It's specifically lab # 4 on plant pigments and photosynthesis and it's on question # 8 on Exercise 4B: Photosynthesis/ The Light Reaction. Identify the function of each of the cuvettes. I already have gone to the lab bench...

Biology (Psychology)

What could you infer/say if a person could distinguish the difference between regular and low fat foods? It's for my science fair project. Like, besdies saying that they have an extraordinary sense of taste... >.> And make it about the individual; not as a group of ...

Environmental Science

We are being asked to identify reasons that an article is or is not science using the list of 8 characteristics of science. What are the 8 characteristics of science?

biology/science

Oxygen attracts electrons more strongly than hydrogen does. What kind of bond forms between the two hydrogen atoms and single oxygen atom that form a water molecule? A. A metallic bond B. A hydrogen bond C. An ionic bond D. A polar bond Currently stuck here.

Science/biology

A 62 year old man experiences sudden onset of difficulty breathing, followed by double vision, and later by abnormal kidney and liver function tests. Of the following conditions, which is most likely the cause of his problems? A. Vasculitis​​ B. Raynaud's ...

Chemistry Science Project

I need some ideas for high school science projects. It doesnt really matter what field of science, but i would prefer chemistry, biology, or physics. Really Urgent! Thanks! What about a project on osmotic pressure. Put a salt solution inside a thistle tube, place a membrane ...

Science , Biology

Cretaceous extinction... The evidence tells you that “overwhelming evidence suggests that the extinction was caused by a 10-km-diameter asteroid that struck Earth.” Suggest at least three lines of evidence that might have led scientists to this conclusion. Could you please...

Science

A biology class wants to perform an experiment to investigate the effect of different colors of light green, yellow, red, and clear cellophane and plant three seeds in each one. What part do the three seeds experiment? A. Confounding variable B. Independent variable C. Control...

math

the biology class has a lab every days. the earth science class has a lab every three days . which class day do they both have class ?

Biology

Write an equation to summarize the photo reaction of photosynthesis. Since this is not my area of expertise, I searched Google under the key words "photosynthesis equation" to get these possible sources: (Broken Link Removed) http://en.wikipedia.org/wiki/Photosynthesis http://...

Science

Right now I'm studying photosynthesis in Biology. We have to design an experiment that would prove how light reactions occur prior to carbon fixing reactions. I know how light and carbon fixing reactions work, but how can I prove this experimentally? Are there any experiments ...

DNA

I have to build a DNA and RNA structure. It must stand on its own. What materials would you suggest i use? Thank you. http://biology.about.com/c/ht/00/07/How_DNA_Model_Candy0962932481.htm

science

Question: Why are "apparently" small changes in pH so important in Biology? Answer: pH levels are each a 10-fold change so a change by 2 is actually a change by 1000. pH determines certain characteristics in organisms that allow them to live in certain areas so an alteration ...

Science

I am trying to find an example of how to write a prediction for a Biology Lab Report. I think a prediction should be written as an if/when statement. Does anyone know of some where that I can find a lab report that includes a prediction(s)? All of the website show predictions...

SCIENCE-Urgent

Right now I'm studying photosynthesis in Biology. We have to design an experiment that would prove how light reactions occur prior to carbon fixing reactions. I know how light and carbon fixing reactions work, but how can I prove this experimentally? Are there any experiments ...

Science/Biology

A woman once had a beautiful rubber tree, but when her sister saw her watering it, she laughed and asked why she was watering an artificial plant. So she stopped watering the plant, and in a few months it died. Explain, using at least five characteristics of living things, how...

Psychology

Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology *C-social psychology...

Science

Develop three guidelines based on the four scientific principles of sustainability for our use of genetic engineering and synthetic biology to modify species and ecosystems. I know the four scientific principles are: 1) Reliance on solar energy 2) Biodiversity 3) Nutrient ...

Biology/Science

1. A corn plant over the course of a summer can weigh 500 grams (dry biomass, after removing the water), yet it starts from a seed that weighs less than 1 gram. What is the primary source of this increased mass? What process(es) are responsible for the gain in mass? Explain. 2...

biology

The only thing my biology teacher told us about the NADP (in photosynthesis light dependent reaction) is that it's a bus driver. Why is it a bus driver? Is it cos it collects the H+ ion into the light independent reaction (NADPH) then "drops" it off and returns back to the ...

Science-Biology

If a mother has brown eyes and a father has blue eyes why do two of their children have blue eyes and one have brown eyes?

Science

I have to do a project with a science related career (that doesn't necessarily mean a scientist, but someone who uses science frequently). What do you call a scientist who studies the science of music? I've google this but I couldn't find any results, but I know they exist, I ...

MATHS

in a class of 60 students,the number of students who pass biology is 6 more than the number who pass chemistry.every student passed at least one of the two subject.how many pass in only biology.how many pass in only chemistry.

Biology Expert needed

Here at Jiskha, we operate with volunteers to assist students. We are great need of a biologist or certified teacher in biology. If you are interested in this volunteer work, please indicated so at http://www.jiskha.com/contact/ thank you so much. Bob Pursley

science

CAN YOU TELL ME ABOUT 3 SCIENTISTS WHO CONTRIBUTED TOWARDS BIOLOGY Here is a long list to choose from: http://en.wikipedia.org/wiki/List_of_biologists You will probably recognize some of the names. You can click on any name on that site for a brief biography.

English

Hello! I will type 2 exercises from the lesson I am teaching on Wednesday-english as a foreign language - 8th graders ( it will be graded) I need you to help me with some ideas. It says: LEAD- IN: A Here is a list of some natural sciences: BIOLOGY CHEMISTRY PHYSICS BOTANY ...

Environmental Science

Develop three guidelines based on the four scientific principles of sustainability for our use of genetic engineering and synthetic biology to modify species and ecosystems. I know the four scientific principles are: 1) Reliance on solar energy 2) Biodiversity 3) Nutrient ...

Statistic Please Check

Check this out please Thanks Lesson 3 Unit 2 Probability Couplements, Disjoint Events and the addition Rule 1.M&M candies are great for probability. The following tables are the color distributions for the candies. Fill in each table with the missing probability and answer the...

math

A textbook store sold a combined total of 462 biology and chemistry textbooks in a week. The number of biology textbooks sold was two times the number of chemistry textbooks sold. How many textbooks of each type were sold?

biology

what are the factors needed for the growth of bacteria? Since this is not my area of expertise, I searched Google under the key words "bacteria 'growth factors'" to get these possible sources: http://textbookofbacteriology.net/nutgro.html http://student.ccbcmd.edu/courses/...

Quizzes biology

Hello, my teacher has once said that she gets all of her quizzes from the internet, but I can't find the site. Does anyone have any idea as to where grade 12, hard, biology quizzes may come from? The quizzes are brutal, and it would so great if I could see them ahead of time...

biology

A question in Campbell's 8th edition study guide for AP Biology says: A multifactorial disorder _. Answer: has a collection of symptoms traceable to an epistatic gene. There is another answer choice which says : has both genetic and environmental causes. Shouldn't the answer ...

English

Identify the sentence that is correctly punctuated. A. Clara did not study very much for her biology test, therefore, she guessed at many of the answers. B. Clara did not study very much for her biology test; therefore she guessed at many of the answers. C. Clara did not study...

English

Identify the sentence that is correctly punctuated. A. Clara did not study very much for her biology test, therefore, she guessed at many of the answers. B. Clara did not study very much for her biology test; therefore she guessed at many of the answers. C. Clara did not study...

English

Identify the sentence that is correctly punctuated. A. Clara did not study very much for her biology test, therefore, she guessed at many of the answers. B. Clara did not study very much for her biology test; therefore she guessed at many of the answers. C. Clara did not study...

grade 9 science biology

What activities increase the amount of carbon dioxide in the atmosphere? What activities decrease the amount of carbon dioxide in the atmosphere?

science(biology)

all test crosses are back cross but all back crosses are not test cross.i want to justify this statment.plssssssss

Science

An area in your state has been flooded due to heavy rains. How might scientists from the three main branches of science interact in their study of the flood, its effects, and how future flooding might be controlled? Life science, Earth science, and physical scicence.

science

The various groups who make up the US public have different expectations of science. How do these differing expectations of science affect the ways groups place trust in science? Describe one example of a controversial expectation that the author gives. Resnik, D. (2011). ...

ALL OF JISHKA STAFF

Hello I had a couple of questions and was woundering if you have staff members that are teaching or have taught AP BIOLOGY AP PHYSICS B AP CALCULUS AB AP CHEMISTRY I was told that the AP BIOLOGY teacher had gotten extremly ill =(, has he come back? Also can you tell me if you ...

SCIENCE-URGENT

Right now I'm studying photosynthesis in Biology. We have to design an experiment that would prove how light reactions occur prior to carbon fixing reactions. I know how light and carbon fixing reactions work, but how can I prove this experimentally? Are there any experiments ...

Science

Science project ideas for science fair. I need to prepare a model for science fair. But I need some ideas about the major problems facing today's world. So that I can get idea for improvement in any area and to show this in science fair. Please get me know about the ...

Science Helpers

My science post is almost at the bottom and I need it to be checked urgently. I see science helpers on this site as of right now.--Can you please have a moment to look at my Science post. Thank you very much in advance:-)

BiologyI

Discoveries in DNA, cell biology, evolution, biotechnology have been among the major achievements in biology over the past 200 years with accelerated discoveries and insights over the last 50 years. Consider the progress we have made in these areas of human knowledge. Present ...

BiOlogy

I did a lab biology project on seed germination and the results weren't as expected. pH 5 worked better than pH 6 or 7 which seemed weird because surely it would be too acidic. I've been trying to find an explanation as to why I got these results and I think, possibly, it's to...

Biology Lab

Hey! I am doing a biology lab in which we take liver and sand and place it in a test tube, to see it if it will react with hydrogen peroxide. One of the test tubes just has sand in it, and no reaction occurs. This is because the sand acts as a control and is inorganic meaning ...

science, biology

garden squash plants produce white or yelloe squash. White color is dominant while yellow is recessice. A squash plant that is homozygous for white is crossed with a homozygous yellow one. Predict the phenotype of the F1 generation (first generation) and the f2 generation (F1*F1)

English

I am doing a university application form where I am asked questions it asks: *Why are you interested in this program? (100 words or less) I applied for Biological Sciences-Major Human Biology. My question is, would it be ok if I talked about the major instead of general ...

Biology - DNA

I'm trying to figure out why DNA forms a double helix and my biology book doesn't really specify why. I know about the anti Paralell strands with the 5 prime end and the 3 prime end and the complentary base pairs and it is hydrogen bonds that connect these base pairs such as A...

science

Which two of the 12 science processes do you feel are the most important for students to understand early in their science studies?

science

Which two of the 12 science processes do you feel are the most important for students to understand early in their science studies?

Science

How does that contribute to the continuous and ongoing nature of science? In other words, why is science a never-ending process?

science

consumer science or chemistry What is the field of science if I am dealing with the problem which detergent works the best?

Mathematics, physical, science agricultural science, life science english

What it means to be a grade 12 learner?

Science

How does cell differentiation connect to other branches of science or STEAM (science, technology, engineering, art, mathematics)

science

i need help on my science project i have a science fair on march somethin please give me any ideas possible u know plz thanks. (0.o)

For A Science/Biology teacher

Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this variation might have on the functioning enzymes in these organisms. Suggest ways ectothermic organisms might cope with this problem. PLEASE I AM STUCK AND...

Biology

I think this is a shot in the dark, but worth a try. I have the Biology: Life on Earth by Audesirk, Audesirk & Byers 10th edition bought used online, apparently there are some pages missing in the book, so I can't do my homework, if anyone has the book could, you help me by ...

biology

I am posting this question in Biology instead of Algebra even though it is a question from my Algebra class. Thanks. A male bee has only one parent(a mother) and a female bee has two parents (a mother and a father).Assuming all ancestors are distinct, how many great, great, ...

science

What is the relationship between diffusion and osmosis? http://hyperphysics.phy-astr.gsu.edu/hbase/kinetic/diffus.html http://www.mun.ca/biology/Osmosis_Diffusion/tutor2.html http://biology.arizona.edu/sciconn/lessons/mccandless/reading.html http://www.google.com/search?as_q=...

Science

Hi, I have two questions about biology I need help with. 1) Some questions fall outside the realm of science, which of the following questions could not be answered using the scientific method? A)What is the function of the appendix in human beings? B) Why is it unethical to ...

Science

Which two of the twelve science processes do you feel are the most important for students to understand early in their science studies. Defend your rational.

Science

I have to write a paper on what I consider to be "bad science" and proved an example of what is bad science such as something from the media, commericals, scientist's statement. I was wondering if someone could help me find an example of "bad" science Thank you

Science - biology - university

A couple where both the man and woman are albino decided to have children. Remember that albinism is inherited as a rare autosomal recessive trait. To their surprise their first child had normal skin pigmentation. They eventually have two more children and they also have ...

English

One last thing. I varied this sentence since we are going to involve students from different third classes.I don't know how to express the second part. Pupils taken from different (or various) tenth classes will be involved in the project since the scientific project's topics ...

science

What is science is the question and btw Im in grade 8 so could u plz give an answer according to that like explain what is science first and then wht r its branches plzzz!!!

Maths,Science,Life science,Agri science.LO & Langu

name two institution/communty organizations that surpporting or giving redress to air pollution

Science Help

jamal's neighbor tells him that there are more bacterial cells than human cells in his body. which of these is the best reason that jamal should question his neighbors statement? a. jamal is older than his neighbor b. jamal does not like his neighbor very much. c. his neighbor...

SCIENCE

jamal's neighbor tells him that there are more bacterial cells than human cells in his body. which of these is the best reason that jamal should question his neighbors statement? a. jamal is older than his neighbor b. jamal does not like his neighbor very much. c. his neighbor...

biology

sir, there was a question in my biology test that required us to draw a graph of concentration of sucrose solution against rate of reaction. so how do I plot the graph? If i follow the question's requirement, i have to put the concentration of sucrose solution as the y-axis ...

biology

sir, there was a question in my biology test that required us to draw a graph of concentration of sucrose solution against rate of reaction. so how do I plot the graph? If i follow the question's requirement, i have to put the concentration of sucrose solution as the y-axis ...

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