Define macroevolution.

Q: Two plants with white flowers, each from true-breeding strains, were crossed. All the F1 plants had ...

A: The homozygous (true-breeding) strains of plants producing white-colored flowers mate to produce F1 ...

Q: True or false question?

A: Denitrification is the microbial process of reducing nitrate and nitrite to gaseous forms of nitroge...

Q: If you have five test tubes each containing a double stand DNA, which of the following double strand...

A: Answer- The denaturation of DNA is depend on the melting temperature and the composition of the nitr...

Q: The T-cell co-receptor CD4 interacts with _______ bound to the surface of _______: a. MHC class I;...

A: T cells or T lymphocytes play an important role in adaptive immunity but they are unable to bind dir...

Q: Protein structure is determined solely by a protein’s amino acid sequence. Should a genetically engi...

A: Proteins are one of the most complex molecular structures that possess sophisticated functions. The ...

Q: Label the diagram for each number from 1-8.

A: The diagram provided is a schematic depiction of protein synthesis in progress. It shows both parts ...

Q: Write down the structure and functions of tracheids in xylem tissue?

A: The tissue which helps in the conduction of water and mineral in the plants is called xylem tissue. ...

Q: In animals, meiosis of germ cells produces gametes. Some plant cells also undergo meiosis, but the r...

A: Plants showcase alternation of generations which includes both diploid (2n) and haploid (n) phases. ...

Q: In the multiple-allele series that determines coat color inrabbits, c+ encodes agouti, cch encodes c...

A: A gene is a unit of hereditary arranged in thousands on the strands of DNA(deoxyribonucleic acid) th...

Q: Outline the major steps hypothesized to have occurred in the origin of cells.

A: Cells are the basic structural and functional unit of the living organisms. Cells group together to ...

Q: MHC class I molecules present peptide antigens derived from a(n) _______ compartment, whereas MHC cl...

A: (Major histocompatibility complex). They play vital role in intercellular recognition and discrimina...

Q: In relation to ELISA technique, fill in the missing information in the figure below: 1- 2- 3- 4-

A: ELISA stands for Enzyme Linked Immuno-Sorbant Assay. Elisa is the test which is used to measure the ...

Q: Biology Question

A: In the gram-positive bacteria, the outer lipid layer is absent and consist of a thick peptidoglycan ...

Q: Examine the case: Of all the hospital patients with infectious, one - third do not enter the hospita...

A: Infections are caused by microorganisms like bacteria, viruses, fungi and protozoans. An infection i...

Q: Describe how different fields are related and lor involved in medical image processing and enhanceme...

A: Medical imaging processing is defined as the handling of images of internal organs of the body by us...

Q: The somatic cells of most individuals with Down syndrome contain an extra chromosome 21, for a total...

A: Chromosomes are composed of proteins and Deoxyribonucleic Acid (DNA). These structures are in the nu...

Q: TOPIC: How Animals Survived   QUESTION: How do animals interact with the environment in order to pro...

A: In the environment there are certain relationships which can be advantageous to both the parties or ...

Q: A barnacle is a shelled______ . a. arthropod c. cephalopod b. gastropod d. crustacean

A: The group of eukaryotic, multicellular, and heterotrophic organisms is classified under the kingdom ...

Q: What happens when a cell is placed in a hypotonic solution (one with a lower solute concentration th...

A: Step 1 Osmosis – It is the phenomenon of diffusion of water or solvent from the area of its higher c...