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2 days ago · Therefore, the best description of the phloem is that it is comprised of many living sieve cells that have pores in their cell walls to allow movement of substances through the plant. Let’s look in more detail at what is happening between these sieve tube members and companion cells.
2 days ago · Small organelles that produce proteins. Vacuole. Stores water; food and wastes for cell. Very large in plant cells; can be contractile to remove excess water from freshwater organisms. Nucleus. Protects and controls access to DNA. Mitochondria. Produces ATP for the cell.
4 days ago · Answer. Modern atomic theory, or more specifically quantum theory, describes an electron as not occupying a circular orbit at a fixed distance from the nucleus, unlike in the Bohr model. Instead, the electron can occupy a range of different positions, although with differing probabilities.
2 days ago · 3. Which of the following is the best description of a chemical reaction? A. When molecules of a substance move slowly enough, they link together to form a crystalline structure. B. When two molecules collide with enough force, old chemical bonds are broken and new bonds form, resulting in one or more new substances. C.
2 days ago · NCMB317-P. Get a hint. Which of the following is considered a core effective communication skill? Choose the. best answer: A Speaking to the person only and not the carer. B Start by listening. C Using an open space for safety. D Limited eye contact.
5 days ago · The best description of lymph, therefore, is a fluid derived from blood plasma, comprised of water, nutrients, and other biological molecules, that is transported in lymph vessels.
11 hours ago · Kevin Winter/Getty Images. Chris Hemsworth received a star on the Hollywood Walk of Fame, and his longtime Avengers co-star Robert Downey Jr. marked the occasion with a public roast of everyone ...
