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The membrane attack complex (MAC) is a complex of proteins typically formed on the surface of a pathogen as a result of the activation of the host's complement system. Assembly of the MAC leads to formation of pores that disrupt the surface of the pathogen, leading to cell lysis and death.
Industrial Electric Induction Motor Mounted on Green Hydraulic Power Unit Tank
Automated digital invoicing system displayed on a laptop with multiple invoice icons and an electronic invoice platform.
Update button on computer keyboard. Concept of software maintenance, system upgrade and digital improvement.
Fibrous Root System Isolated on White Background, Plant Underground Network Representing Stability and Absorption Concept

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Businessman holding tablet with cloud conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-holding-tablet-cloud-concept-654867802">Image used under license from Freestock.com</a>
Businessman with security concept in his hands Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-security-concept-hands-635170571">Image used under license from Freestock.com</a>
Demographic related charts, diagrams and graphs hovering over young handImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/demographic-related-charts-diagrams-graphs-hovering-626409797">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with blue hexagons around him Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-653371441">Image used under license from Freestock.com</a>
Casual young woman holding tablet with strategy and business related graphicsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-woman-holding-tablet-strategy-626434490">Image used under license from Freestock.com</a>
Female fingers touching smartphone with cloud conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/female-fingers-touching-smartphone-cloud-concept-613368368">Image used under license from Freestock.com</a>
Businessman holding tablet with cloud icon and purple backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-holding-tablet-cloud-icon-purple-662055889">Image used under license from Freestock.com</a>
Young businessman in black suit standing in front of a progress chartImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-black-suit-standing-front-621637562">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with grey cubes around him Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-653371483">Image used under license from Freestock.com</a>
Amazed businessman with virtual reality colorful geometric shapes in front of himImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/amazed-businessman-virtual-reality-colorful-geometric-613349546">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with blue squares containing data at his fingers Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-626434454">Image used under license from Freestock.com</a>
Young businessman pressing high tech type of modern buttonsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-pressing-high-tech-type-613303067">Image used under license from Freestock.com</a>
Man pressing technology smart table interface with blue graphsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/man-pressing-technology-smart-table-interface-662829895">Image used under license from Freestock.com</a>
Businessman touching interactive modern desk with technology icons on tableImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-touching-interactive-modern-desk-technology-613344149">Image used under license from Freestock.com</a>
Amazed businessman with high tech 3D projection in front of him Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/amazed-businessman-high-tech-3d-projection-649533202">Image used under license from Freestock.com</a>
Casual young woman holding tablet with cloud concept and purple background Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-woman-holding-tablet-cloud-654867832">Image used under license from Freestock.com</a>
Amazed businessman with virtual reality colorful geometric shapes in front of himImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/amazed-businessman-virtual-reality-colorful-geometric-621632630">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with mixed media icons around his fingerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-617967692">Image used under license from Freestock.com</a>
Amazed businessman with virtual reality goggles Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/amazed-businessman-virtual-reality-goggles-649533235">Image used under license from Freestock.com</a>
Casual young woman holding tablet with strategy and business related graphicsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-woman-holding-tablet-strategy-617975213">Image used under license from Freestock.com</a>
Cloud and computing related icons hovering over young hand Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/cloud-computing-related-icons-hovering-young-617935160">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with blue squares containing data at his fingers Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-608704889">Image used under license from Freestock.com</a>
Young woman pressing high tech type of modern buttons Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-woman-pressing-high-tech-type-603577865">Image used under license from Freestock.com</a>
Young girl pressing virtual type of keyboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-girl-pressing-virtual-type-keyboard-603578276">Image used under license from Freestock.com</a>
Businessman with security concept in his hands Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-security-concept-hands-617935271">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with blue hexagons around him Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-645108037">Image used under license from Freestock.com</a>
Female hand touching cloud with blue background Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/female-hand-touching-cloud-blue-background-608705207">Image used under license from Freestock.com</a>
Amazed businessman with virtual reality data and blue squares in front of him Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/amazed-businessman-virtual-reality-data-blue-648431965">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with blue circles around his finger Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-644329588">Image used under license from Freestock.com</a>
Modern smart table with high tech icons on its interface screen conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/modern-smart-table-high-tech-icons-613344110">Image used under license from Freestock.com</a>
Female hand touching cloud with blue background Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/female-hand-touching-cloud-blue-background-598963262">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with grey cubes around him Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-645108013">Image used under license from Freestock.com</a>
Casual businessman holding tablet with cloud icon and purple backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-businessman-holding-tablet-cloud-icon-644328325">Image used under license from Freestock.com</a>
Young businessman pressing high tech type of modern buttons Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-pressing-high-tech-type-603578204">Image used under license from Freestock.com</a>
Male hands touching interactive table with yellow mixed media icons on itImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/male-hands-touching-interactive-table-yellow-608760257">Image used under license from Freestock.com</a>
Amazed businessman with virtual reality network concept in front of himImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/amazed-businessman-virtual-reality-network-concept-649532950">Image used under license from Freestock.com</a>
Female hand touching cloud with blue background Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/female-hand-touching-cloud-blue-background-588164825">Image used under license from Freestock.com</a>
Businessman holding tablet with strategy and business related graphicsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-holding-tablet-strategy-business-related-608705276">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with mixed media icons around his fingerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-608704973">Image used under license from Freestock.com</a>
Male hands touching interactive table with colorful application icons on it Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/male-hands-touching-interactive-table-colorful-608760173">Image used under license from Freestock.com</a>
Businessman with network connection concept between his hands Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-network-connection-concept-hands-608678534">Image used under license from Freestock.com</a>
Casual young woman holding tablet with cloud conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/casual-young-woman-holding-tablet-cloud-644328307">Image used under license from Freestock.com</a>
Amazed businessman with virtual reality colorful geometric shapes in front of himImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/amazed-businessman-virtual-reality-colorful-geometric-603614999">Image used under license from Freestock.com</a>
Female fingers touching smartphone with cloud conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/female-fingers-touching-smartphone-cloud-concept-603623027">Image used under license from Freestock.com</a>
Young impressed man wearing virtual reality goggles with grey cubes around him Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-impressed-man-wearing-virtual-reality-636052589">Image used under license from Freestock.com</a>
Young businessman pressing various collection of buttonsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-businessman-pressing-various-collection-buttons-593315549">Image used under license from Freestock.com</a>
Man pressing technology smart table interface with blue graphsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/man-pressing-technology-smart-table-interface-640531168">Image used under license from Freestock.com</a>
Modern smart table with high tech icons on its interface screen conceptImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/modern-smart-table-high-tech-icons-593362436">Image used under license from Freestock.com</a>
Female hands touching tablet with maps and charts Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/female-hands-touching-tablet-maps-charts-603596063">Image used under license from Freestock.com</a>
Young woman pressing high tech type of modern buttonsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-woman-pressing-high-tech-type-593315426">Image used under license from Freestock.com</a>

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