In poultry, a crested head is produced by a dominant allele C and a plain head by its recessive allele c. If a plain-headed bird is crossed with a heterozygous crested-headed bird then the genotype and phenotype of the F1 individuals could be:
A. cc: crested-headed
B. CC: crested-headed
C. Cc: plain-headed
D. cc: plain-headed
Answers: 3
Biology, 22.06.2019 18:10, reemoe
1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.
Answers: 2
Biology, 22.06.2019 20:30, scheyennekreger
How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.
Answers: 1
In poultry, a crested head is produced by a dominant allele C and a plain head by its recessive alle...
Mathematics, 22.04.2020 04:03
Arts, 22.04.2020 04:03
Spanish, 22.04.2020 04:03