Biology question and answers for January 14, 2024
- Q End of replication Answer Bank DNA polymerase joins the paired nucleotide to the growing end of the new DNA strand A free nucleotide pairs with its complementary base on the...
- Q O donates its 2 electrons to another atom shares its 2 electrons and bonds with another atom has only 2 electrons in its first shell and 4 in the second...
- Q Which statement best describes the interaction that occurs as a result of the binding of a ligand to a ligand gated ion channel receptor A B C D ligand extracellular...
- Q Which if the following apply to lysosomes Select one or more a Lysosomes have a single membrane that is continuous with the nuclear membrane b Lysosomes are only found in...
- Q Neighboring cells in living tissues adhere interact and communicate through direct con tact Molecules do not flow between the endothelial cells in the brain capillaries of most an imals Which...
- Q Which of the following is responsible for the majority of ATP production during cellular respiration A B C D the movement of potassium ions against a concentration gradient in the...
- Q Which of the following best explains the relationship between catabolic and anabolic chemical reactions in a metabolic pathway A B C D Catabolic reactions use energy to make more complex...
- Q Artificially induced apoptosis controlled cellular death is found to be an effective treat ment for some forms of cancer Which of the following describes the most likely mechanism by which...
- Q The plasma membrane model below shows two proteins in their inactive and active states Membrane Transport A B C extracellular space D OO protein 1 intracellular space According to the...
- Q Carbon dioxide most likely enters a cell through which of the following processes A active transport through membrane proteins B C D simple diffusion through the membrane active transport through...
- Q Indicate which of the following is characteristic during a Resting Potential Greater concentration outside of cell Greater concentration inside of cell Difference in charge across membrane Sodium Potassium Pump collects...
- Q 18 What is Saltatory conduction of nerve impulse A Saltatory conduction is the propagation of action potentials along myelin increasing the conduction velocity of action potential b Saltatory conduction is...
- Q 25 In resting condition free Ca ions a Are accumulated in cytoplasm b Are accumulated in sarcoplasmic reticulum in nucleus in mitochondria c Are accumulated d Are accumulated
- Q a b c d 4 Hyperpolarization is caused by Potassium ions Sodium ions Hydrogen ions Chlorine ions 5 During refractory period a Potassium and Sodium ion channels are open b...
- Q 7 Which ion channels are open during depolarization phase
- Q a b c d 21 Which of the following statement is correct Membrane resting potential potential difference between membrane surfaces caused by selective permeability of the membrane and separation of...
- Q in bot 23 Equilibrium potential b c a Stops net movement of ions across the membrane down the electrochemical gradient Causes the movement of ions across the membrane against the...
- Q b c d a coge b c d 5 1 What determines potential difference Stored energy in the cell Current in the membrane Summarized membrane resistance Osmotic balance 2 Ionic...
- Q a b 3 Size of the charge b Permeability of cations tege a d c d 4 Diffuse potential depends on 5 Electrogenic pumps a They do not contribute in...
- Q a b c d 8 Threshold stimulus causes Activation of K non gated channels Rapid activation of K voltage gated channels Rapid activation of Na voltage gated channels Rapid inactivation...
- Q b c d 13 During first phase of action potential Depolarization Permeability of ions is not changing Permeability for K and Cl ions decreases for Na stays the same Permeability...
- Q 19 Membrane resting potential is Only for excitable cells Only for non excitable cells For all type of cells and differs for each cell For all type of cells and...
- Q O Meiosis Mitosis Binary Fission Regeneration Parthenogenesis Question 9 Which of the following is found in both prokaryotes and eukaryotes Choose all that apply O Deoxyribonucleic acid Ribosomal ribonucleic acid...
- Q You are a super scientist and are busy at work examining a cell with a super fancy microscope when you see there are mitochondria present Immediately you know a This...
- Q 5 What type of interaction is formed between membrane lipids and proteins Between peripheral proteins and phospholipid heads Van der Waals forces between hydrophobic amino acids of integral proteins and...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!