3. THE FORAMINIFERA
saadia3. THE FORAMINIFERA oraminiferans are commonly called for:ans. They are primarily- a marine group of amoebae. Foraminiferans possess reticulopodia They secrete a test of calcium carbonate. The foramini ferans grow…
Subjective & Short Questions of Transmission of Genetic Material In Bacteria
rubabSUBJECTIVE QUESTION 1-What is conjugation? Explain the mechanism of conjugation. What is transduction? Describe its mechanism. What is transformation? Give its mechanism. SHORT QUESTIONS 1-What is conjugation? Is it…
GENES IN ACTION
abidaA sequence of bases in DNA that .codes for the synthesis of One polypeptide is called gene. The genes must transmit their information from the nucleus to the cytoplasm. Therefore,…
CLASSIFICATION OF FLOWERING RESPONSES
sana(a) Short Day Plants (SDP) The plants that flower when day length is less than a certain critical length are called short day plants. These plants require specific short duration…
Definitaion & Key Points Of Transmission of Genetic Material In Bacteria
TERMS DEFINITIONS Conjugation The transfer of genetic material between bacteria through cell-to-cell contact is called bacterial conjugation. Episome Episome is a plasmid of about 100 kb length that can integrate…
THE AMOEBOID PROTOZOA
THE AMOEBOID PROTOZOA Members Of the amoebozoans are the amoebae (sing.. amoeba). They form temporary cell extensions called pseudopodia.There are different forms of pseudopodia. 1. Lobopodia (mean little foot): They…
DNA Replication in Eukaryotes
Following steps take place in the replication of DNA in Eukaryotes: Origin of replication The replication of a DNA molecule begins at special sites called origins of replication. The eukaryotic…
Transformation of cell
Transformation is the genetic alteration of a cell resulting from the introduction, uptake and expression of foreign genetic material (DNA or RNA). In 1928 Frederick Griffith transforms nonpathogenic pneumococcus bacteria…
Flagellated Protozoa life cycle and different Pseudopodia
THE FLAGELLATED PROTOZOA 1. Flagellated protozoan possess flagella for locomotion. The flagellapush or pull the protozoans through aquatic medium. Flagella may produce two-dimension: Whip like movements and helical movements. 2.…
TRANSDUCTION
Transduction is the process by which bacterial DNA is moved from one bacterium to another by a virus. It was first discovered by Joshua Lederberg in 1952. The most striking…