Describe a covalent bond - Study guides, Class notes & Summaries

NAS2 Challenge Exam Questions and answers. 100% Accurate Purpose of Scientific Method - -solve a problem or answer a question Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude - -steps of scientific method Independent variable - -a variable that stands alone and isn't changed by the other variables you are trying to measure, change or controlled example: age dependent variable - -a variable dependent on other factors, tested or measured example: test s...

Hierarchy of Organizational Levels - Answer-Biosphere, Ecosystem, Community, Population, Organism, Organ System/Organ, Tissue, Cell, Organelle, Molecule, and Atom Exchange of Energy and Matter between organisms and their environment - Answer-Energy Conversion: How living systems convert energy between different forms to maintain themselves What is the basic unit of Biological structure and function? - Answer-The Cell What is the Central Dogma - Answer-The transmission and employment of biol...

NAS2 CHALLENGE EXAM QUESTIONS AND ANSWERS UPDATED 2024/2025 GRADED A+. enzymes - correct answer promote chemical reactions by bringing substrates together in an optimal orientation, thus creating an ideal chemical environment for the reaction to occur always return to original state decomposition - correct answer single compound breaks down into two or more elements or new compounds These reactions often involve heat, light, electricity synthesis - correct answer multiple reactants combin...

Portage Learning BIOD 101 Module 1 Problem Set Essential Biology I with Lab 202 Bowman 4/6/22, 10:26 PM Module 1 Problem Set: Essential Biology I with Lab-2021- Bowman Answer: Matter is anything that takes up space, by having a volume, and has mass. Matter can exist in a solid, liquid or gaseous (vapor) state. All matter is made up of certain basic substances called elements (See section 1.1 in module). Your Answer: Matter is anything that takes up space, by having a volume, and has ma...

Describe the process of transcription, in detail. - A) Initiation: RNA polymerase binds to the promoter, which is the beginning of the gene. inert atom - with a filled outer valence shell an inert atom is not able to gain or lose an electron and therefore is not able to participate in any chemical reactions. they are very stable Difference between hypothesis and theory - Hypothesis is an educated guess Theory is an explanation about something in the natural world. (has been repeatedly teste...

Edexcel iGCSE Chemistry, question and answer with rated solution Experiment for Diffusion? 1) HCl placed at one end of the test tube, ammonia solution at the other. 2) Where they meet, a ring of Ammonium Chloride appears. 3) The diagram shows that the ammonia is closer to the ring, showing that ammonia must have travelled faster, showing it's a lighter gas. Experiment for Dilution? 1) Put a coloured substance in a solvent e.g food colouring in water. 2) Over the time, the colour le...

BTEC Applied Science Unit 1 Chemistry - Distinction. How many electrons can an s subshell hold? correct answer2 How many electrons can a p subshell hold? correct answer6 How many electrons can a d subshell hold? correct answer10 Which subshells are available in the first energy level? correct answers Which subshells are available in the second energy level? correct answers and p Which subshells are available in the third energy level? correct answers, p and d What is Hund's rule? correct ...

AP Biology Unit 1 Latest Update with Verified Solutions -ose suffix carbohydrates usually end in (gluc-ose, fruct-ose) adhesion the attraction of unlike molecules; water molecules are attracted to other polar surfaces amino acid building block (monomer) of proteins, composed of an amino group and a carboxyl group, a hydrogen atom, and an R-group Amino Acid Examples glutamine, proline, cysteine, lycine, ... atom Smallest form of an element that still displays its particular pr...

WGU Biochemistry OA (Latest 2022/2023) Verified Answers Bohr Effect chart (low pH) C- High CO2 H- High H+ A- Acidic R-Release of O2(rt. Shift) T- tense state (in tissues) Primary structure Sequence of amino acids that make up a protein Secondary Structure Sequence of amino acids fold. Tertiary Structure -more folding in a 3D shape. -R groups (side chains) Quaternary Structure Protein has more than 1 polypeptide chain. Chemical reaction -absorb and release en...

BTEC Applied Science Unit 1 Chemistry (2024/2025 Graded) How many electrons can a d subshell hold? correct answer10 Which subshells are available in the first energy level? correct answers Which subshells are available in the second energy level? correct answers and p Which subshells are available in the third energy level? correct answers, p and d What is Hund's rule? correct answerOrbitals must all be singly filled before they can be doubly occupied Which elements do not fill the 4s subs...