Biology, 26.03.2021 03:30, izzybella18ozgsrg
Question 1
Plants are able to grow in particular directions, for example, towards a light source, using which of the following mechanis
A. Stem cells in the root meristem divide rapidly.
B. Proton pumps are activated, increasing pH inside cells.
C. Hormones cause cells in a certain area to elongate,
D. Parenchyma cells open and close to regulate fluid.
Answers: 2
Biology, 21.06.2019 16:00, PrincessKeliah8179
The image shows embryos of three vertebrate classes
Answers: 2
Biology, 21.06.2019 21:30, Kaleenamariedavidson
This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.
Answers: 1
Biology, 21.06.2019 22:00, lazavionadams81
Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.
Answers: 2
Question 1
Plants are able to grow in particular directions, for example, towards a light source,...
Mathematics, 04.02.2021 04:30
Physics, 04.02.2021 04:30
Biology, 04.02.2021 04:30
Chemistry, 04.02.2021 04:30