Ask Question, Ask an Expert


Ask Biology Expert

problem 1: The segment of DNA has this series:


What do you mean by mRNA sequence transcribed from this segment?


problem 2: The inheritance of short wings in the Drosophila fruit flies is an x-linked, recessive trait. Which would most probable outcome if a short-winged female mates with the long-winged male?

a) All offspring will be short-winged.
b) All females will be long-winged and all the males will be short-winged.
c) All females will be short-winged and all the males will be long-winged.
d) Half of males and females will be short-winged and half will be long-winged.

problem 3: Illustrate the step in the method of producing the transgenic bacteria?

a) A plasmid is employed to substitute a faulty gene in the human cell.
b) A chain of bacterial amino acids is inserted into the human DNA.
c) A human gene is inserted into the bacterial plasmid.
d) A mutation is generated in a bacterial cell.

problem 4: Which would most probable in the production of a mutation which is passed on to offspring?

a) Radiation altering the DNA series in skin cells
b) A gamete with an additional chromosome forming
c) Tobacco smoke modifying the genes in lung cells
d) Exposure to chemicals modifying nerve cell function

problem 5: The large population of cockroaches was sprayed with an insecticide. A few of the cockroaches survived and produced a population of cockroaches which was resistant to this spray. What can best be inferred from this illustration?

a) A species will adapt no matter what the environment.
b) The environment has no consequence on the survival of an organism.
c) Insecticides cause mutations which are passed on to the next generation.
d) Individuals with positive variations survive and reproduce.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M99021

Have any Question? 

Related Questions in Biology

Physiology learning planfor your selected topic you are the

Physiology Learning Plan For your selected topic: You are the nephrology nursing educator working with new mill Topics -  GFR -  Removal of metabolic wastes -  Excretion of drugs and toxins -  Total body fluid volume and ...

Assuming an od600 of 100 4 x 108 bacterial cellsml or the

Assuming an OD600 of 1.00 = ~ 4 x 108 bacterial cells/ml (OR the value provided by your TA), calculate the number of cells in your original undiluted bacterial suspension.

Experimental design for biologists reflectioninstructions

Experimental Design for Biologists Reflection Instructions: Read Ch. 22 only pg 137-146 & 152-154, Read Ch. 23 only pg. 155-162. (I suggest you skim the other examples and read them if they seem relevant to your project. ...

Ethical decisions in the workplaceafter reading your

Ethical Decisions in the Workplace After reading your background readings, please review the following scenario and address the questions at the end. Jerry Stevens heads up an excavation crew for the municipal utilities ...

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 ...

Show where cell types found in mature plants are located in

Show where cell types found in mature plants are located in a young growing root, for this example use corn. For this, draw a longitudinal section of the corn root to show these parts. Then describe the cell type and ind ...

Microscope lab-in our world cells come in two basic

Microscope Lab- In our world Cells come in two basic types- Prokaryotic Cells - Bacterial & Archaea Eukaryotic Cells - Plant, Animal, Protist, and Fungi (Yeasts are single celled fungi) ...

Biologyeukaryotic and prokaryotic cells can be compared to

Biology Eukaryotic and prokaryotic cells can be compared to mini-factories, with multiple organelles working together to perform numerous cellular processes. After reviewing the parts of a eukaryotic or prokaryotic cell: ...

What type of solution is 10 dextrose to the

What type of solution is 10% dextrose to the cell?  Assuming dextrose is a non penetrating solute, in which direction will net diffusion occur (into the cell; out of the cell; no movement?

Assignmentinstructions1 discuss the function in detail of

Assignment Instructions: 1. Discuss the function in detail of each of the following RNA polymerase II transcription factors. TFIIB TFIIE TFIIF TFIIH 2. What additional role does one of the subunits of TFIIH have during t ...

  • 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