This chapter describes virus multiplication as a biological process that belongs on the level of the replication of subcellular elements, that is, on the level of cell growth rather than cell multiplication. Virus multiplication is not a process homologous to cell multiplication. All cells capable ...
The testes also produce the male hormone testosterone and a portion of the seminal fluid, the liquid in which sperm are carried. The external location of the scrotum ensures the relatively low temperature that is necessary for the normal development of sperm. After formation, the sperm pass ...
reproductive system- organs and tissues involved in the production and maturation of gametes and in their union and subsequent development as offspring genital system system- a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion" ...
HIV has been well known as the virus that causes AIDS, which has a high mortality rate. In 2017, although the number of new infected people with HIV has begun to decline gradually, 36.9 million people were living with HIV/AIDS, and 940,000 people died of HIV-related illnesses, worldwide...
Recent Examples of reproduction Advertisement Their population rebounded from the brink of extinction thanks to the banning of DDT in 1972 and successful campaigns to protect their habitat and encourage their reproduction. Clara Harter, Los Angeles Times, 28 Dec. 2024 This fusion allows the virus to...
Some proteins are on the surface of cells, and this is what pathogens attach to in order to enter the body. If all organisms have different surface proteins, some will naturally be immune to the pathogen. For example, some humans are naturally immune to the virus HIV due to different ...
Adams, W. R., 1966, Cellular origin of the slowly sedimenting ribonucleic acid (RNA) fraction associated with partially purified Newcastle disease virus (NDV),Fed. Proc.25, 422. Google Scholar Adams, W. R., and Prince, A. M., 1957, An electron microscopic study of incomplete virus forma...
Background:Inpatientswithhumanimmunodeficiencyvirus(HIV)infection,combinedtreatmentwithseveralagentsmayincreasetheeffectivenessofantiviraltherapyWestudiedt... - 《New England Journal of Medicine》 被引量: 1228发表: 1996年 Illness as Metaphor Background:Inpatientswithhumanimmunodeficiencyvirus(HIV)infection,combined...
1. The act of reproducing or the condition or process of being reproduced. 2. Something reproduced, especially in the faithfulness of its resemblance to the form and elements of the original: a fine reproduction of a painting by Matisse. 3. Biology The sexual or asexual process by which orga...
1993. The yeast Candida albicans has a clonal mode of reproduction in a population of infected human immuno- deficiency virus-positive patients. Proc. ... C,Pujol,J,... - 《Proceedings of the National Academy of Sciences of the United States of America》 被引量: 582发表: 1993年 The yeas...