Biology, 03.01.2020 19:31 offensiveneedle
Suppose you are trying to identify an unknown bacterial species. you perform a gram stain and the slide is a blue/purple color when you are finished. are the bacteria gram-positive or gram-negative?
Answers: 1
Biology, 22.06.2019 00:00, natalievick03
Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.
Answers: 1
Biology, 22.06.2019 02:00, sativataurus
The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.
Answers: 3
Suppose you are trying to identify an unknown bacterial species. you perform a gram stain and the sl...