Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

describe Basics of biology

1. describe which of the following statements isn't true of chemical bonds?

1) Both types of chemical bonds involve electrons in the outer shell.

2) Covalent bonds share electrons between two atoms.

3) An atom involved in an ionic bond has an unequal number of electrons and protons.

4) Water (H2O) has covalent bonds.

5) Salts and other important ionic molecules of the body are covalently bonded.

2. describe If neutral atoms become positive ions they

1) gain electrons.

2) lose electrons.

3) gain protons.

4) lose protons.

5) do not change.

3. describe a covalent bond is

1) an ex of a bond that results in ionic compounds.

2) a sharing of electrons between two atoms.

3) the transfer of electrons from one atom to another.

4) an attraction of charged atoms.

5) a sharing of protons between two atoms.

4. describe the lower the pH

1) the lower the hydrogen ion concentration.

2) the higher the pH number.

3) the more acidic the solution.

4) the greater the hydroxyl ion concentration.

5. describe which is NOT a correct association of organic molecules?

1) Starch, glycogen, and cellulose are glucose polymers.

2) When a carbon chain has all the hydrogens it can hold, it is an unsaturated triglyceride.

3) A protein is a polymer of amino acids.

4) ATP is used for energy storage rather than cell structure.

5) DNA is a polymer of nucleotides that contains deoxyribose sugar.

6. describe considering the history of microscopy which of these organelles would have been discovered first?

1) endoplasmic reticulum

2) ribosomes

3) lysosomes 

4) nucleus

5) microtubules.

7. describe which is NOT a correct association of cell organelles and function?

1) lysosome-intracellular digestion

2) cell wall-regulate molecule passage in and out of animal cells

3) ribosome-production of proteins

4) mitochondrion-cell respiration

5) vacuole-storage of chemicals

8. describe which of these is best associated with plant cells?

1) cilia and flagella

2) chloroplasts and centrioles

3) chloroplasts and cell wall

4) cell membrane and small vesicles

5) rounded shape and flexibility

9. describe Ribosomal RNA is produced from the

1) nucleoli.

2) nucleus.

3) ribosomes.

4) rough endoplasmic reticulum.

5) smooth endoplasmic reticulum.

10. describe if a cell lacked ribosomes it would NOT be able to

1) form a spindle apparatus.

2) respire.

3) synthesize proteins.

4) hydrolyze fat.

5) form a Golgi vesicle.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M917391

Have any Question? 


Related Questions in Biology

Explain the hierarchy of plant structure using the root as

Explain the hierarchy of plant structure using the root as an example organ and follow it through each stage until you reach the level of cell. Only use the vascular tissue systems.

The protein produced by huntingtons disease huntingtin

The protein produced by Huntington's disease (huntingtin) interferes with general transcription factor (called CBP) and prevents it from binding the promoter. CBP activates genes involved in cell survival. i) Which step ...

Biology assignment central nervous system1the central

Biology Assignment: Central Nervous System 1.The central nervous system (CNS) consists of the brain and spinal cord . 2.The epidural space contains primarily fat . Epidural anesthetics therefore have to cross the dura ma ...

Biology1 what is the difference of fatty acid beta

Biology 1. What is the difference of fatty acid β oxidation in mitochondrion versus peroxisome? Why such a difference exists? 2. (a) Write down the structure of arachidonic acid (C20:4 Δ5,8,11,14). (b) What do you expect ...

What is inbreeding depression please give some examples of

What is inbreeding depression? Please give some examples of inbreeding depression in dogs and cats?

Topic systemic pathophysiology of the respiratory and

Topic: Systemic Pathophysiology of the Respiratory and Gastrointestinal Systems Objective: Discuss a disease, condition or syndrome affecting the cardiovascular system and current research, events, or interesting facts a ...

Discussion topicolder people die for a number of reasons

Discussion Topic Older people die for a number of reasons: cancer, heart failure, complications due to diabetes, stroke, Alzheimer's, etc. Often times, the way we live our lives affect not only how long we live but what ...

How does sexual reproduction benefit the offspring in

How does sexual reproduction benefit the offspring in terms of genetic variation? Provide an example

1 compare and contrast asexual and sexual reproduction2

1. Compare and contrast asexual and sexual reproduction. 2. Explain why both sexual and asexual reproductive strategies still exist (ie, why doesn't every organism reproduce sexually? Why doesn't every organism reproduce ...

What did the experiments by stanley miller demonstrate

What did the experiments by Stanley Miller demonstrate about the formation of the first organic molecules? Why was it significant?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro