1 You can also get sufficient protein from plant-based foods if you eat a variety of them throughout the day. 2  Plant sources include soy products and meat substitutes, legumes, lentils, nuts, seeds and whole grains. 3  Vitamin B-12 is necessary to produce red blood cells and prevent anemia.
Learner's definition of LECTURE. [count] 1. : a talk or speech given to a group of people to teach them about a particular subject. a lecture about/on politics. She's planning to give/deliver a series of lectures on modern art. Several hundred people are expected to attend the lecture.
For example, the directions here for a lecture describe a lecture presented by one person. If you are citing a lecture presented by two speakers, you need to look at the APA's specifications for two authors, perhaps on the page for books. Quick index to citation examples described on this page: Lecture or speech. Television or Radio Program.