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Challenging Biology Problems with Detailed Answers
Biology
High School
HELP ME PLEASE.............
Biology
High School
Why does steel wool rust?
Biology
High School
The diagram below shows the stages of mitosis.The original cell, X, contains N number of chromosomes. How many chromosomes does cell Y contain?
Biology
High School
Has human activity caused the worlds climate to change over the past 100 years? Yes or No and why
Biology
High School
Choose the option that brings out the meaning of embrace, as used in the given textual sentence.Thats a strong reason to embrace sustainable fashion in India.a) Artists in India are embracing new technology alongside traditional methods.b) His new job embraces a number of activitiescomposing, playing, and acting.c) The shawl manufacturer embraced the designer warmly for the creative design.d) Grandmother frequently embraces us irrespective of our fashion choices.
Biology
High School
A diagram of a flower is shown below.What structure in the flower produces pollen for plant reproduction?
Biology
High School
The different colors of the frogs represent ___________
Biology
College
The Nile hippopotamus has somatic cells with 36 chromosomes. How many chromosomes will their gametes have?PLEASE HELP NOWWW
Biology
High School
The graph below shows the energy associated with a chemical reaction. The activation energy decreases once a certain type al molecule is addedWhat type of molecule causes the activation energy to decrease as shown in the graph?Liquid protein nucleic acid carbohydrate
Biology
High School
A cell has a cell wall and chloroplasts. What is the best description of the cell type?
Biology
High School
A whale is a mammal and a shark is a fish, but they have similar body plans. This is an example of _______.
Biology
High School
I NEED HELP ASAP!!!1.Is cystic fibrosis a beneficial or harmful mutation? Explain.2. What are some of the symptoms of cystic fibrosis?3.How does a person get cystic fibrosis? How are their cells different from that of a person without cystic fibrosis?4.How has treatment improved for cystic fibrosis patients over the years?
Biology
High School
Evolution can occur in a population when an individual organism adapts to their surroundings, true or false?
Biology
High School
A whale is a mammal and a shark is a fish, but they have similar body plans. This is an example of _______.
Biology
College
Which substance is considered a building block for all living things?
Biology
High School
As the earth moves in space, it ___ on its axis
Biology
High School
Benita is studying the erosion of soil after a heavy rainfall. She observes that rainwater washes away very little soil from areas under large trees. Which of the following best explains why?
Biology
High School
nelly goes shopping on the weekend
Biology
High School
Being genetically identical to the parent is most advantageous for organisms in which situation?A.Many offspring are needed in a very short amount of time.B.The environment is just like the one the parent lived in successfully.C.Mates cannot be found easily and the species is dying out.DThe environment is changing and fast reproduction is needed.
Biology
High School
Assume that (B) is dominant and (b) is recessive: bb mates with bbAll the offspring will show the recessive traitAll the offspring will show the dominant traitAbout 50% of the offspring will show the recessive traitAbout 75% of the offspring will show the dominant trait
Biology
High School
When a cell's DNA has become damaged beyond repair, the cell makes:GlycolysisExocytosisApoptosisPhotosynthesis
Biology
High School
At what stage in meiosis does a cell become haploid gametes?
Biology
High School
A student proposes that the cell types shown here can be classified as to plant,animal,fungal,and bacterial. The student also proposes that an evolutionary relationship can be hypothesized based on the data. What evolutionary relationship and classification is best supported by the data
Biology
High School
Human p53 is a tumor-suppressor gene located on chromosome 17. The function of this gene is to prevent cells with damaged DNA from undergoing mitosis. What would most likely result if there were a mutation that decreased the function of the p53 gene?
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