Biology Questions and Answers by Users

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Disulfide bonds in proteins form between a pair of molecules of a certin kind from the diagram you just completed. Tell what amino acid is...

I'm confused on what their asking and what the answer would be. Study Protein Structure and Protein Synthesis.

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At the beginning of cellular respiration, all NAD+ are already reduced. True or false?.

Study Cell Respiration.

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Which of the following apply to AFLP markers?

(a) amplify random loci about the genome (b) easy to score heterozygotes (c) consist of an array of repeating nucleotides (d) they are co-dominant markers

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If all we've been taught in Biology has to do with how evolution kicks out certain adaptations, how come we see dieases like alzheimers and parkinsons still appearing?

In class we learned that if you had the bubonic plague, you would never get cancer. Similarly, did Alzheimer's prove beneficial in any way? Thank you

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What is the difference between turgor pressure and osmotic pressure?

You will find the answer on Cell Membrane.

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The plane that divides the body into left and right portions - not necessarily equal - is...

sagittal

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Why we feel heavy in stomach after over eating?

I know stomach does expand but how for long it expands? Study The Digestive System.

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The unit of evolution is

(A) Population (B) Species (C) Social groups (D) individual

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Which sugars can yeast use during fermentation, and which sugar works best?

Which sugars can yeast use during fermentation, and which one works best with fermentation? Study Cell Respiration.

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What best describes the function of nucleic acids?

Nucleic acids contain the genetic code for protein synthesis. Study Nucleic Acids.

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Where do all types of blood cells (red, white, and platelets) get produced?

Where do all types of blood cells (red, white, and platelets) get produced? Study Blood.

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Rate of water absorption is slow near freezing point, why?

A

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Explain what triggers the entry of calcium into the neuron?

Explain what triggers the entry of calcium into the neuron? - - has something to do with synapses Read Nervous System.

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What is the genotypic ratio of offspring produced by crossing these two plants?

In the common garden pea, round seed shape (R) is dominant to wrinkled seed shape (r). You cross a plant that is heterozygous for round seeds with a plant

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How many molecules store the energy extracted from ATP before this energy is used in the peptidyl transferase reaction?

This is a problem we were going over in class and I didn't understand what the question was asking for. Its a multiple choice question and the answer is

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What is the aims of seed biology?

Study Plants.

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Genetic problem?

You are working with a family practice group and a couple (Mark and Susan), planning to start a family comes to you for information. Mark was married once

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Sunflower is which type of plant - options - 1. gymnospermae 2. monocotyledonous 3. pteridophyta 4. dicotyledonous

Sunflower is which type of plant - options - 1. gymnospermae 2. monocotyledonous 3. pteridophyta 4. dicotyledonous

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Igcse Biology practical question help

What will be the color change of onion, Food sample: Color change with Benedict’s solution 1 Onion 2 Milk (or dried milk) 3 Rice 4 Raisin (or sultana)

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Genetic problem? Neurofibromatosis

One of two major forms of a human condition called neurofibromatosis is inherited as an autosomal dominant gene, although it may range from mild to very

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