Antibodies are __________
a. produced by B-cells
b. produced by T-cells
c. recognized as nonself
d. pathogens
A
You might also like to view...
You are excited because your lab is studying the first microorganisms retrieved from Mars! Interestingly, their genetic material consists of a single-stranded nucleic acid with six different nitrogenous bases. Like organisms from Earth, segments of the nucleic acid contain the code for making proteins. If the genetic code in these organisms was read in groups of 2 bases instead of 3, what is the maximum number of amino acids that could be coded for assuming that only one codon functioned as a stop codon? (Enter your answer as a numeral not a word, e.g. enter 17 not seventeen.)
What will be an ideal response? Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about the genetic code? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Neurons rely on glial cells for
a. protection. b. metabolic support. c. insulation. d. All of the above
Select all of the choices that apply to a gene carrier.
a. possesses but does not express the allele in question b. typically has a homozygous dominant genotype c. typically has a heterozygous genotype d. typically has a homozygous recessive genotype e. both possesses and expresses the allele in question
Which of the following statements about living organisms is correct?
A.) carry and transmit genetic information B.) are all made of multiple cells C.) have the ability to respond to their environment D.) exchange matter and energy with the environment E.) can be generated from nonliving matter