In all of our cells, there is a blueprint of life called DNA. Which characteristic does this fact best describe?
A. Living things respond to their environment. B. Living things maintain internal balance. C. Living things are based on a universal genetic code. D. Living things grow and develop.<\/p>\n\n\n\n
The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n The correct answer is:<\/p>\n\n\n\n C. Living things are based on a universal genetic code.<\/strong><\/p>\n\n\n\n Explanation:<\/strong><\/p>\n\n\n\n DNA, or deoxyribonucleic acid, is the molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses. This unique feature of having DNA as a blueprint for life is a fundamental characteristic of living organisms. It is DNA that encodes the information required to form proteins and carry out various cellular functions. Each organism’s DNA contains specific sequences of genes that determine physical and functional traits, from eye color in humans to the ability of plants to perform photosynthesis. This concept of a “universal genetic code” refers to the fact that all living organisms share the same four nitrogenous bases in DNA: adenine (A), thymine (T), cytosine (C), and guanine (G). These bases pair in a specific way (A with T, and C with G) to form the double helix structure of DNA, which ensures genetic continuity and fidelity in cell division and reproduction.<\/p>\n\n\n\n The universality of the genetic code highlights the relatedness of all life forms on Earth, suggesting that all life has a common origin. Despite the vast diversity of life, from bacteria to humans, the way in which DNA stores and transfers genetic information remains consistent. This trait enables scientists to study genetics across different species, understand evolutionary relationships, and make advances in biotechnology, such as gene therapy and genetic engineering.<\/p>\n\n\n\n The other options, while essential characteristics of living organisms, are not best exemplified by the presence of DNA. “Responding to the environment” relates more to an organism’s interaction with external stimuli, while “maintaining internal balance” (homeostasis) describes an organism\u2019s ability to regulate internal conditions, and “growth and development” focuses on the process of maturation over an organism\u2019s lifetime. Therefore, the fact that DNA is a universal blueprint in all cells most directly illustrates that living things are based on a universal genetic code.<\/p>\n","protected":false},"excerpt":{"rendered":" In all of our cells, there is a blueprint of life called DNA. Which characteristic does this fact best describe?A. Living things respond to their environment. B. Living things maintain internal balance. C. Living things are based on a universal genetic code. D. Living things grow and develop. The Correct Answer and Explanation is: The […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-159282","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/159282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=159282"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/159282\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=159282"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=159282"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=159282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}