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BIOLOGY
HIGH SCHOOL
A substance is most likely to diffuse into a cell when(1) it is a large organic food molecule such as protein or starch(2) it is enclosed in an organelle such as a vacuole(3) the concentration of the substance is greater outside the cell than inside(4) the pH of the substance is greater than the pH of the cell
BIOLOGY
HIGH SCHOOL
An organism that reproduces asexually will haveoffspring that have(1) the same genetic information as both of itsparents(2) different genetic information from either ofits parents(3) the same genes as its parent(4) different genes from its parent
BIOLOGY
MIDDLE SCHOOL
Specialized cells protect the human body from disease-causing microbes by
BIOLOGY
HIGH SCHOOL
A breeder wanted to create a new variety of potatoes that produces more of the vitamins found in the roots of carrots than in typical potatoes. What method of selective breeding would the breeder most likely use?a. inbreedingb. hybridizationc. hand pollinationd. genetic engineering
BIOLOGY
HIGH SCHOOL
Before starch can enter a cell, it must be(1) absorbed by simple sugars(2) diffused into simple sugars(3) digested to form simple sugars(4) actively transported by simple sugars
BIOLOGY
HIGH SCHOOL
The building blocks of proteins are known as
BIOLOGY
HIGH SCHOOL
Which process allows a mammal to continue togrow in size?(1) mitosis of sex cells(2) mitosis of body cells(3) meiosis of sex cells(4) meiosis of body cells
BIOLOGY
HIGH SCHOOL
List of solid mixtures in a classroom
BIOLOGY
HIGH SCHOOL
A biologist is in the process of classifying a newly discovered fungus. The fungus is a decomposer and has saclike structures. To which group does the organism most likely belong?A.fungi that are rustsB.fungi that are associated with bread moldC.fungi that makes blue cheeseD.fungi that are autotrophic decomposers
BIOLOGY
HIGH SCHOOL
Scientists notice structural similarities between fossils of a land animal and an aquatic organism. They know the similarities are not a result of the two organisms having to adapt to similar environments. What can they attribute the structural similarities to?
BIOLOGY
HIGH SCHOOL
If you inherit the genotype AO for blood from your parents, what blood type do you have?
BIOLOGY
HIGH SCHOOL
Responses of the immune system to usuallyharmless environmental substances are known as(1) antigen production(2) chromosomal mutations(3) pathogens(4) allergies
BIOLOGY
HIGH SCHOOL
Organisms use different types of adaptations to aid in their survival. One type of butterfly mimics a dead leaf to evade predators. What type of adaptation is this?a. Biochemical b. Ecologicalc. Structurald. Physiological
BIOLOGY
HIGH SCHOOL
Sustainability means developing practices which protect the environment while also providing for human needs. Which of the following changes would be most helpful in achieving sustainable agriculture? A)Clearing land for agriculture by cutting down trees instead of burning them B)Rotating crops to replenish the soil with nutrients C)Tilling the ground to remove weeds and create uniform crops D)Growing crops that produce only renewable resources
BIOLOGY
HIGH SCHOOL
Which two microscopes generate three-dimensional images? scanning electron microscope and scanning tunneling microscope transmission electron microscope and scanning electron microscope scanning tunneling microscope and transmission electron microscope compound light microscope and scanning electron microscope.
BIOLOGY
HIGH SCHOOL
In which specimen were cells first identified?
BIOLOGY
HIGH SCHOOL
Which describes the mating is organisms that have different homozygous alleles for a single trait? A: monohybrid crossb: dihybird crossc: homozygous crossd: heterozygous cross
BIOLOGY
HIGH SCHOOL
Which of Mendel's generations was allowed to self-pollinate
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