biology (confused)

12,243 results

Biology

I am a bit confused about conjugation, transduction and transformation. I understand the basics but how do they work? More confused with transduction and transformation. Thanks for any help in advance!

biology

Need help with FOV area (mm2) totally confused? im confused i have the FOV diameter they are: 4x = 5 10x = 2 40x = 0.5 a classmate told me she thinks the area for 40 x is: pi(5/2)^2 = 19.6 not sure if that's true or how to do it for the low and medium, magnification. please ...

biology

i am in 9th grade biology and i am REALLY confused about the difference between controll variable, responding variable, manipulated variable and controll group. any help would be great. i have a test TOMORROW!!!!

biology

can someone explain oogenesis and how this leads up to meiosis...i'm really confused

2 biology terms

Hello, I'm a bit confused as to the difference between morphological and anatomical. Thanks

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 ...

Biology

Why is it important for hydrogen bonds to be weak? -i already tried googling it but im still confused

Biology

Why is it important for hydrogen bonds to be weak? -i already tried googling it but im still confused

Biology

In the classification of eukaryotes, protsists were once placed in a single kingdom. Briefly evaluate whether this classification system is accurate. Why might it be difficult to classify some slime molds as unicellular or multicellular? I know the first one is innacurate, but...

Biology

Why might it be difficult to classify some molds as unicellular or multicellular? I'm really confused:/ Can somebody please explain this?

Biology

Organisms that assemble their own organic molecules from water and elements that they absorb from their environment are which of the following? Is this detritivore or decomposer? I am confused by these two. thanks

Biology

Justify why it is important to scientists to have a universal system of measurements. What does this mean? Can someone help explain it to me? I'm doing some research but I'm still confused. Please help? Thanks

biology

okay im totally lost here, the question i need to answer is explain why codons can't consist of two bases instead of three for each amino acid. im so confused..help!

Biology

I was really confused by this question? Considering the energy pyramid, where does the energy go or where is it used as you go from producers to tertiary consumers?

Biology

I'm confused on the rule of multiplication and the rule of addition. When do I use each to determine the probability of a genetic trait being inherited.

English

1. He is absorbed in biology. 2. He is very interested in biology. 3. He is into biology. ----------------- Are they all the same in meaning?

AP BIOLOGY

I have a quiz on genetics on friday in AP Biology and I would like some sites with good ap biology questions on them. I don't know any of them which I could go to.

English

1. She was confused at his error. 1-2. She was confused by his error. 2. He was confused about something. 3. He is confused in mind. (Are they all grammatical? Which prepositions are commonly used?) 4. That is very confusing to the public. 5. That is very confusing for the ...

biology

someone please help me im confused and idk what im doingg how would i create a dna molecule model using straws, pushpins, and paperclips? help me, please.

biology

im so confused with all of these okay so it tells me to do this table thing and the titles on the top are macromolecule,monomers, and function then it had beneath macro. carbohydrates, protein, lipids, and nucleic acids does anyone know how to explain this to me!

English

1. I was confused by what to do. 2. I was confused at what to do. 3. I was confused over what to do. 4. I was confused about what to do. 5. I was confused what to do. 6. I was puzzled by what to do. 7. I was puzzled at what to do. 8. I was puzzled over what to do. 9. I was ...

Biology

Is 9th grade biology hard? Is it interesting...?? I love life science but I just wondering if 9th grade biology hard??? I'm taking biology next year.

Biology

The allostery of an enzyme governor is likely to take two forms.They are? A.active and regulatory B. rigid and flexible c. active and passive e. regulatory and relaxed http://en.allexperts.com/q/Biology-664/biology-73.htm

Biology

Why is it when someone is cooking something, like a cookies or pizza, you can smell it all the way upstairs? like does it have to do with diffusion or something? I'm confused...Thanks in advance :)

Biology

If you inherited an allele for blue eyes from your mother and an allele for brown eyes from your father, you are A) tetraploid B) homozygous C) haploid D) heterozygous I got D marked wrong, I'm so confused. Thanks.

ART Check

How would a visual effects designer working on an animated movie with human characters best use knowledge of biology? Knowledge of biology can help the designer to create accurate human features.**** Knowledge of biology can help the designer to create an action packed film ...

Enriched science

What is the goal of synthetic biology? A. The goal of synthetic biology is to mimic living cells B. The goal of Synthetic biology is to generate new tissues to replace damage tissues C. The goal of synthetic biology is to engineer living cells to perform specific functions D. ...

biology

i really need some help!! i understand the parts of the heart and their names, but i am really confused on the cardiac cycle graph that shows the pressure of the heart at certains stages HELP ME PLEASE!

Biology

So I am completely confused. I am in the process of taking a quiz and the question says "a factor that seems to disappear" my options are punnet square, heredity, dominant factor, recessive factor, alleles, or genetics??? Help please? Thanks

Biology again

could someone explain the importance of replication for maintaining genetic stability? i am guessing that the DNA during replication needs be be copied exactly like before so as to pass on certain genes..but i'm a bit confused and don't know what else to say...

Biology Honors

Hardy-Weinberg: Within a population of birds, 21 percent of them display the recessive phenotype for a particular trait. What are the allele frequencies for this trait assuming the population is in genetic equilibrium? I'm absolutely confused on this ;l

biology

Hi, i have some doubts i would like to clear. What is the difference between codominance, incomplete dominance, and complete dominance?? i'm getting rather confused. What type of gene is the sickle cell anemia? Say r stands for the recessive allele for sickle cell anaemia, and...

Biology

What does the notation 4n = 28 tell you about how many types of chromosomes there are and how many of each type of chromosome are present in a cell? I am a little confused on how this is determined. Would it be 4 sets of chromosomes with 7 of each type of chromosome?

biology tutor on jiskha

i post my biology questions here today and few days ago no teacher reply. there not any biology tutor on here?

BIOLOGY-DNA FINGERPRINTING

Okay soo i'm confused on DNA fingerprinting, i know what it is and everything but why do they call it DNA fingerprinting when a fingerprint is only a mark left by the person?

Biology

Can someone explain to me in simple terms deductive and inductive reasoning. Every time I find a new definition, I get more confused. I think that deductive is when you try to figure out from something that is generic and inductive is when you already know what will happen. Am...

Confused

We are doing distributive properties. Ex: 0.5(4m+3)-0.2(6m+1) OKay so is that minus 0.2 or negative 0.2. I'm so confused. Is this how you would simplify it? 2m+1.5-1.2+0.2 Help me please and thank you.

Algebra

Simplify 1) 4r+3-9r^2+7r 2) (4h^3+3h+1)-(-5h^3+6h-2) 3) 5k (3-4k) 4) (2x-3)(4x+3) 5) (4x-3)(4x+3) My answers: 1) 11r+3-9r^2 2) this one I am confused about 3) confused 4) 7x×7 5) 8x-6 Please help me

english

is it right when we say am confused or i am in confusion or confused ?

Biology

1. Sponges a. are nonsymmetrical and have oscula b. lack organization into tissues and organs but have specialized cells c. possess cells that are capable of recognizing other sponge cells and have a simple digestive system d. both a and b I'm so confused on this question, ...

Math

ok so i'm kinda sort of confused... I had this for a equation X^2 + 4X - 1 = 0 and then I was like zero??? zero... really zero... hmm... X^2 + 4X - 1 = dy ???????? That zero does represent when Y equals zero correct??? this allows us to solve for X OH!!!!!!!!!!!!!! wait so I'm...

Chemistry CONFUSED

Ok I'm really confused on the question I asked how many CO2 molecules can be made with 0.500 mol of oxygen atoms. Please help with setting this up

Biology

Is there any biology websites for teens??? (NOT games! notes and quizzes to practice). The Science of Biology The Chemistry of Life Cell Structure and Function Photosynthesis & Respiration Something REALLY easy to understand(btw I'm going to the 9TH GRADE). please help (having...

Biology

Which of the following is a NOT function of a vacuole? packing of materials transport of materials storage of materials breakdown of materials I'm confused. I know that vacuoles store materials, in other words, C is not correct since it's true. But the rest are wrong as well! ...

biology

Which of the following is the key factor driving cellular differentiation in the body? a. chemical gradients in the cellular environment b. expression of genetic coding c. rate of transcription d. cellular nutritional status c? confused cuz transcription is the first step in ...

biology

Which of the following is the key factor driving cellular differentiation in the body? a. chemical gradients in the cellular environment b. expression of genetic coding c. rate of transcription d. cellular nutritional status c? confused cuz transcription is the first step in ...

Sta 112

This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and biology but not ...

Chemistry

Help please am kind of confused on this problem, am mostly confused on what state the products will be. Find net ionic equation? 2Al(s)+ 3CuCl3(aq)-> 2AlCl3(?)+ 2Cu(?)

biology

How could i understand the biology? can u please give me some reference to look for that.. tnx...

Biology

when might you use the "poor-quality website" in an academic Assignment in Biology?

biology

Name three ways that the science of biology has/does, or might impact you as an individual.

biology

i did biology post yesterday i not find it someone please tell me where it go?

biology

ap biology lab -what barriers might hinder the acquisition of plasmids

biology

a category within biology that deals with the physical and chemical functions

biology

need help with a paper from news article on human biology using scientific method?

biology -urgent...highly confused

How does pH affect the activity of catalase? Consider both high and low pH, and explain your observations by discussing the effect of pH on protein structure. I cannot find anywhere in my notes, or text book, or even on the internet how pH affects catalase. I know that with pH...

biology

Why is cell culture one of the most valuable technical achievements in the entire study of biology?

Biology

Why is feedback inhibition a useful thing for enzyme reactions in a cell? Are there biology tutors in this forum??

biology

what is burgess shale? what is the significance of this discovery to evolutionary biology

biology

Answers for Biology A unit one test 26 questions

Biology

I am totally confused by what to do here: GGG CAT GGT CCT ATT TAC DNA coding strand sequence: DNA non-coding strand sequence: mRNA sequence: Amino acid sequence:

Biology

This is my question from my Biology paper. List which organs and tissues come from the mesoderm primary cell layer. Thanks

BIOLOGY

can someone explain how i would write an interpolation and extrapolation in a conclusion statement for a biology project? i don't know how to word it.

statistics

1. Use the following information about a group of college students: Fifty percent are taking Algebra. Sixty percent are taking Biology. Thirty percent are taking both Biology and Algebra. A student from the group is selected at random, calculate the following: a) The ...

Biology

How can we solve the problems of global warming by using biology technology? In other words, what biology technology helps solve global warming? I can't think of anything. Please help! Thanks You.

biology

what all do i need to know for GCSE biology my teacher is absolutely rubbish i tried websites but i don't find them helpful thankyou

biology

A category within biology that deals with the physical and chemical functions. A. Physiology B. Philosophy C. Psychology D. Physiopathology I believe it's B?

biology

What exactly is holistic biology and what are some examples of it? Thank you.

biology

what is the importance of cell theory to the study of biology

biology honors

what was leonardo da vinci's contrabution to biology ?

Biology

Are solar panels biology technology (biotechnology)? Thanks.

biology

what are the seven major theories of biology sumerized

Biology

Questions for Exam 1 for Concepts in Biology 12 edition

biology

Pls what is the relationship between biology and agriculture

Grade 12 Biology

I am confused about this question, and can't find anything on the internet, anyone care to explain? Why is the tertiary structure of an enzyme, such as amylase, so important? An enzyme is a protein, so is it really asking why is this stage important? And it would be important ...

Biology

Variation in biology is a) inevitable b) exciting c) the raw material for natural selection d) best described by statistics e) all of the above

Biology

Which of these classifications is most specific? Family Genus Phylum Order I really need help on this question, and if u can do it THANK YOU SO MUCH! Its for my Biology test.

Grade 12 Biology

I am confused about this question, and can't find anything on the internet, anyone care to explain? Why is the tertiary structure of an enzyme, such as amylase, so important? An enzyme is a protein, so is it really asking why is this stage important? And it would be important ...

chemistry

so i know that one mole is 6.022*10^23 particles in 12g of a carbon 12 isotope. im confused in finding the amount of moles in a particular substane. there is a formula that determines it, i think its n=m/M, yet im confused with what it means..

Chemistry

Help please am kind of confused on this problem, am mostly confused on what state the products will be. Find net ionic equation? I BELIEVE ITS BALANCED NOW. 2Al(s)+ 2CuCl3(aq)-> 2AlCl3(?)+ 2Cu(?)

Confused

Somebody at my school said that Jiskha homework help blocked them from posting answers for no reason. That person is a big bully and I don't believe him. Is that true? Why would that happen...? Confused... Hello Kitty :-)

Ms. Sue Help me, please

Hello, I was wondering if it was possible for you to assist me in having a science/biology teacher answer my question. It is called 12 Biology and I reposted as Biology Lab Banana DNA. My reason for this is that so many questions keep popping in, all in a row**, and mine is ...

Biology

Hey! :) When looking at the surface area to volume ratio of a cell it's meant to be that the larger this ratio the more efficient the cell is in diffusion etc. I don't get how a ratio of 6:1 though could be the larger ratio in comparison to 54:27...Im just confused with this...

maths

In a class of 80 students, 53 study Art, 60 study Biology, 36 study Art and Biology, 34 study Art and Chemistry, 6 study Biology only and 18 study Biology but not Chemistry. Illustrate the information on a Venn diagram. Determine the number of students who study (I) Arts only...

confused in math

1.20 with a line over 20 convert decimal to fraction, step by step detail because I am lost and confused

Biology

In most biology experiments, the relationship between the independent and the dependent variable can best be described as cause and effect,” true or false? Explain.

algebra

I'm really confused on substitution. My teacher has a terrible accent and cannot understand what she says. i get the basics myself but i'm pretty confused on the following problems: 1) y= 3x - 8 y= 4-x 2) 2x + 7y = 3 x=1- 4y 3) x = 2y 4x + 2y = 15 Any help. I know i should ...

Biology

Contribution of Scientists in undestanding Biology

biology

Find the details of scientists of biology

Biology

What does biology translate into Greek?

biology

how does concepts of chemistry affect biology?

math

A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study Physics and Chemistry, 9 study Biology and Chemistry while 8 study both Physics and Biology. Equal numbers study all three subjects as those who learn none...

Representing Human Traits

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 ...

Biology (respiration)

1* fructose 1 6 biphoshate or diphoshate (which one is it exactly?) 2* what is the molecular formula for fructose 1 6 di/biphosphate? SOME SITES say C(6)H(10)O(6)P and some say C(6)H(14)O(6)P...WHICH IS IT? making me real confused 3* what is the formula for glyceraldehyde 3 ...

Absorption spectra of pigments

On the graph light absorption in % vs wavelength, how come the color of chlorophyll is green? Since this is an absorption spectra, isn't it supposed to absorb blue and red and not green? Rather, it reflects green??? How would the graph be different if it is a reflection ...

Help: biology

1. You have in front of you three vials containing a clear liquid. You are told that each vial contains one of the following carbohydrates: Fructose, Sucrose, Amylose. What experiments could you carry out to determine the composition of each vial. What would be the expected ...

Biology

Bacteria produce yogurt from milk by (a) conjugation (b) aerobic respiration (c) fermentation (d) fixing nitrogen I'm missing school for a week so I need help with a few Biology problems.

Biology

Music Video Project Biology? Hey! So I am doing a music video project for AP Biology, and my topic is Gene Regulation. I want to know what should be the most important things I should include in my song, and what song I should use (80's/90's/Current) to parody for this project...

math

In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also,4 of them offer physics and chemistry but not biology,3 offer physic and biology but not chemistry,6 offer biology and chemistry but not physics if 13 of them offer physics only how...

biology

in biology we are studying taxonomy. we are classifying our organisms by broadest to most specific: kingdom phylum class order family genus species how would i do this for a Siberian tiger?

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