Ask Question, Ask an Expert


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

Introduction of disease provide a brief description of the

Introduction of disease. Provide a brief description of the disease/disorder. This part of the paper should not be limited to the definition of the disease.Include epidemiology as appropriate.Etiology Identify common cau ...

Discuss the applications of new andor emerging technologies

Discuss the applications of new and/or emerging technologies relating to human biology and their impact upon individuals, human society and/or the environment. 5 pages in all: 1 st page should have the title of your pape ...

1 identify list the two basic types of cells2 would you

1. Identify (list) the two basic types of cells. 2. Would you find proteins inside cells or cells inside proteins? (choose one answer) 3. What two things make osmosis a special type of diffusion? 4. What is a selectively ...

Show work and explain answersq1in rats several

Show work and explain answers Q1: In rats, several independently assorting autosomal genes affect coat color. Gene A controls the distribution of yellow pigment in hair, and gene B causes black pigmentation. The two gene ...

Question 1 in drosophila melanogaster eyeless ey is a

Question 1: In Drosophila melanogaster, eyeless (ey) is a recessive trait in which the eyes are tiny or absent. The ey locus is found on chromosome 4. Monosomy and trisomy for this very small chromosome are compatible wi ...

Biology assignmentwatch this video Biology Assignment Watch this video first

Biology Assignment Watch this video first Part II. Fill-in You are now studying the process of mitosis in the simple organism, R. catus, andhave prepared microscope slides of f ...

Biology1 a plant with red flowers is crossed with a

Biology 1. A plant with red flowers is crossed with a white-flowered plant of the same species. All the seeds, when grown, produce plants with red flowers. Assuming that the flower color is controlled by a single pair of ...

Write the null and research hypotheses for the following

Write the null and research hypotheses for the following description of a research study: A group of middle-aged men was asked to complete a questionnaire on their attitudes toward work and family. Each of these men is m ...

Organic chemistry1 there is an attachement with 24

Organic Chemistry 1. There is an attachement with 24 molecules. Make three classification based on the function group. 2. Fill out the chart in the attactment. Complete the flowchart for the separation and isolation of: ...

Depletion of nadph and glutathione in cells is considered

Depletion of NADPH and glutathione in cells is considered harmful. Explain why, and give an example of a chemical that may deplete NADPH and glutathione through interaction with the FMO enzyme. The FMO3 enzyme has an imp ...

  • 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

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate