What are monocistronic with examples?

Q: Why are the lengths of the cells usually approximated when we record their values for length?

A: Lengths of the cells are usually approximated when we record their values for length as the exact…

Q: What do you mean by nuclear pore complex (NPC)?

A: A cell's nucleus is a major part of the organism. It is responsible for the storage of genetic…

Q: What are male heterogamety and female heterogamety?

A: Gametogenesis is the process where the male and female gametes are produced in the organisms. The…

Q: Draw the structure of volvox?

A: Volvox is a motile green alga. They are green in color due to the occupancy of chlorophyll pigment…

Q: Describe the function of four inclusion.

A: The basic structures, called inclusion bodies, are nuclear or cytoplasmic aggregates of proteins and…

Q: What is nucleoid ?

A: A cell is the basic fundamental unit of life. Broadly all living organisms are classified into…

Q: Based on Figure 17-4, how many chromatids are in a trivalent?

A: Chromatids are identical copies of replicated DNA formed during the beginning of cell division. It…

Q: What is inflorescence? What are its two types?

A: Here we describe the inflorescence and it's two types.

Q: How many chromosomes and how many chromatids in the picture below?

A: Mitosis: One round of replication => one round of segregation => sister chromatid during…

Q: so are the cells in mitosis identical?

A: There are two types of divisions that a cell can undergo. They are known as mitosis and meiosis.…

Q: What is Allosomes? State its other name?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: What are pyramids of numbers?

A: When the connections or relationships between different trophic levels in an ecosystem expressed…

Q: Describe what is meant by the term linkage group

A: Chromosome can be defined as the long DNA molecule that consist of the genetic material of an…

Q: Which of the following labeled structures is meristematic? 2

A: The meristem is a type of tissue found in plants. Differentiated plant cells generally cannot divide…

Q: Define polytenization.

A: The genetic material that is responsible for carrying genetic information from one generation to…

Q: What are bivalent or tetrad?

A: In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called…

Q: What accounts for the different morphological and functional differences between cells that contain…

A: Deoxyribonucleic acid (DNA) is the genetic material responsible for the transfer of genetic…

Q: What is interphase? Explain it diagramatically.

A: The cell cycle is a process to grow and replicate its contents and finally divide into 2 identical…

Q: Explain what each symbol in the notation represents.A/ZX

A: Atoms of an element contain a specific number of protons, electrons, and neutrons. As an atom is…

Q: What is the mutual exchange of corresponding parts of non sister chromatids known as?

A: In meiosis I, during Pachytene, crossing over occurs between the non-sister chromatids of the…

Q: Define the class-aves and its structure?

A: Vertebrates are those organisms that have a spinal cord and it is surrounded by bone or cartilage.…

Q: Use curve arrows to show the mechanism for the proposed conversion of 2a, 2b, 2c, and 2d to 4.

A:

Q: What is the name of the structure that holds the sister chromatids together? See image below.

A: CENTROMERE - A highly condensed DNA sequence that is transcriptionally inactive and is…

Q: Explain glyosidic linkage with example and picture illustration

A: A chemical bond that involves the sharing of an electron pair between atoms is called a covalent…

Q: is/are meristematic? -

A: INTRODUCTION Because plants are stationary, they have been given tissues made up of dead cells that…

Q: Describe the relationship between linkage groups andchromosomes.

A: Chromosome is a thread like structure composed of deoxyribonucleic acid molecules present in the…

Q: What materials provide the substance of a densely staining chromosomes present during mitosis?

A: Chromosomes are the structures that are present in the nucleus of eukaryotic cell. These are thread…

Q: Describe the structure of the following with the help of labelled diagrams.(i) Nucleus (ii)…

A: The cell is the structural and functional unit of life. This unit of life functions in a coordinated…

Q: Describe the reason why bacilli do not form cluster or tetrads.

A: The typical flora of the human body is composed of microbes. The two main variables that affect…

Q: What does the term “coenocytic” mean?

A:

Q: Structure A and B are Sister Chromatids or homologous chromosomes?   Structure C and D are Sister…

A: A chromosome is a well-organized bundle of DNA present in the cell nucleus. The number of…

Q: What are the 2 steps in an acrosome reaction?

A: Fusion of acrosomal vesicle with egg cell membrane where acrosomal enzymes are released : Egg jelly…

Q: What are polycistronic with examples?

A: Ribonucleic acid (RNA) is the macromolecule that plays a vital biological role. The mRNA (messenger…

Q: What is the structure that maintains identical chromatids bound?

A: DNA is present inside the nucleus. DNA coils around the histone to form a nucleosome. Nucleosomes…

Q: Explain the graph. What are represented by the red and green lines?

A: In the ecosystem different species coexist together. They form food chain and food web. They form a…

Q: When would you choose to use a Potter–Elvehjem homogenizer instead of a blender?

A: Introduction Potter-Elvehjem homogenizers can be used for both grinding tissues and shearing cells.…

Q: What does Homoplasmic mean?

A: Mitochondria are endosymbionts that over time lost many of their genes or transported them to the…

Q: What process is represented by the numbers 3 and 7 in the diagram below?

A: Answer: MITOSIS = it is the equational division, when one cell divides and forms two identical…

Q: How many microtubules are in a centrosome? In thedrawing, circle and label one microtubule and…

A: The centrosome is an organelle and microtubules are organized in the centrosome. A centrosome is…

Q: How ordered tetrads form?

A: Tetrads are haploid and produce many progeny. The life cycles are short and it is used for mapping…

Q: how many chromatids do tetrads have and where do they form

A: One homologous chromosome comes from your mother and the other from your father when it comes to…

Q: What structure is formed by when  two sister chromatids areheld together by a centromere?

A: In the process of cell division, the chromatin present in the nucleus shrinks and form a thread-like…

Q: why is nuclei stained purple but the cytoplasmic components are pink in eosin?

A: Answer

Q: Your somatic cells are diploid. True or False?

A: A somatic cell, or vegetal cell, is any biological cell forming the body of a multicellular organism…

Q: How many chromosomes are shown in the picture below? How many chromatids?

A: The nucleus of a cell contains the nucleic acids which are responsible for the passing down of…

Q: How many chromosomes does Rice have?

A: Rice is a seed of Asian grass (Oryza sativa) or African grass (Oryza glaberrina). It acts as a…

Q: Describe the structure and functional properties of the nuclearenvelope.

A: The nucleus is the cell's supervision center, which includes the genetic material that specifies the…