Biology Questions and Answers

Which of the following best describes passive transport? A. Cellular transport that requires cellular energy in the form of ATP. B. Cellular transport that does not require cellular energy. C. Cellular transport in which the cell membrane pinches around a substance in order to bring it into the cell. D. Cellular transport in which substances move from areas of low concentration to areas of higher concentration.

A human will eat on average 70 assorted insects and 10 spiders while sleeping. A. True B. False

What is the difference between active and passive transport?

Elephant’s Diet and Lion’s Diet - Proteins What would you call the process that is occurring?

How old is the world's youngest father?

How long does it take to digest chicken, red meat, and pork? a) Chicken: Approximately 2-3 hours b) Red meat: Approximately 3-4 hours c) Pork: Approximately 4-6 hours d) All of the above

What are the three types of symbiotic relationships? A. Mutualism B. Commensalism C. Parasitism

What is the function of the stigma on a flower? A. It provides a supply of stored nutrients for the seed. B. It has a sticky surface that helps trap pollen grains. C. It helps spread seeds away from the parent plant. D. It attracts birds, bees, and bats to help with pollination.

List the six steps of the sliding filament theory.

What is the difference between a myofilament and a myofibril?

What is the cost of Belgian Blue cattle?

List the 6 steps of translation in order in biology.

Briefly describe the steps of the Cross-Bridge Cycle.

Explain the difference between axial and appendicular muscles.

What is diffusion? A. Directional B. Non-random C. Passive D. None of the above

List the 8 characteristics of life.

What are the differences between ribosomes in prokaryotes and eukaryotes? A. Eukaryotes have no ribosomes, but prokaryotes do. B. Prokaryotes have bigger ribosomes than eukaryotes. C. Prokaryotes have smaller ribosomes than eukaryotes. D. Prokaryotes have ribosomes, but eukaryotes lack them.

What is the difference between a haploid, diploid, and zygote? (n or 2n)

Think and discuss: Why is DNA replication such an important process?

What is the difference between monohybrid and dihybrid crosses? A. Monohybrid crosses involve one gene; dihybrid crosses involve two genes. B. Monohybrid crosses involve one allele; dihybrid crosses involve two alleles. C. Monohybrid crosses are more complicated than dihybrid crosses. D. Monohybrid crosses involve one organism; dihybrid crosses involve two organisms.

What is the function of the stratum germinativum? It is responsible for _______________.

Which best describes secondary succession? A. The quick change in an area’s species before a disturbance B. The quick change in an area’s species after a disturbance C. The gradual change in an area’s species after a disturbance D. The gradual change in an area’s species before a disturbance

What is the difference between complete dominance, codominance, and incomplete dominance?

Are cell walls present in prokaryotic or eukaryotic cells?

Wrasse fish feed on parasites found on the black sea bass body. True/False

Analyze: Which phase of the cell cycle is the longest? ____________ Which phase is the shortest? ____________

Explain the difference between genotype and phenotype. Provide examples.

q6.8 imagine a population evolving by genetic drift, in which the frequency of the allele K is 0.1. What is the probability that at some point in the future allele K will drift to a frequency of 1.0? Express your answer as a number between 0 and 1.

How do plants stay upright? A. Cells on the surface layer of plants develop starch walls on the outside that all connect to form a rigid outer "armor layer" that supports the plant. In trees, this layer develops into bark. B. They have tough protein fibers in their cells that form supportive structures running throughout the plant. C. They have small calcium rods in them, kind of like animal bones. D. Each of their cells has a rigid cell wall and a central vacuole that fills with water to make the cell firm. All the firm cells help support the plant.

What phrase best defines a gene? A. A segment of DNA that codes for a protein B. A molecule that carries genetic information C. The basic physical and functional unit of heredity D. All of the above

Use the words 'homozygous', 'heterozygous', 'dominant', and 'recessive' (where suitable) to describe the following allele combinations: Aa, AA, aa.

Identify the type of tissue from the description below C = connective N = nervous E = epithelial M=muscular contains large amount of extracellular | 1. | Identify the type of tissue from the description below. | | --- | --- | | 1. | ______________ = connects N = nervous E = epithelial M = muscular | | 2. | ______________ contains large amount of extracellular matrix and possesses fibers | | 3. | ______________ has a free apical surface and attached to a basement membrane | | 4. | ______________ composed of neurons and neuroglia | | 5. | ______________ cells are tightly packed forming continuous cellular sheets | | 6. | ______________ highly vascular with elongated cells called fibers | | 7. | ______________ involved in secretion, absorption and protection | | 8. | ______________ originates from mesenchyme | | 9. | ______________ avascular | | 10. | ______________ regenerates the quickest of all tissue | | 11. | ______________ relies on nutrients from underlying areolar tissue | | 12. | ______________ covers surfaces, either outside or inside the body | | 13. | ______________ may have multiple nuclei and striations | | 14. | ______________ replaces damaged tissue during fibrosis | | 15. | ______________ primary tissue found in glands | | 16. | ______________ supports, protects, storage and attachment | | 17. | ______________ receive, integrate and conduct impulses throughout the body | | 18. | ______________ involved in movement of body, posture and heat production | | 19. | ______________ most common type of tissue |

The acromial region is ________ to the scapular region.

Why is DNA called the blueprint of life?

Question: the allele for black noses in wolves is dominant over the allele fro the brown noses. There is no known selective advantage for one nose colour over another in wolves. If this remains true, which of the following statements is most liklely TRUE about the change in wolf nose colours re over many generations?Black noses will become more common than they are the allele for black noses in wolves is dominant over the allele fro the brown noses. There is no known selective advantage for one nose colour over another in wolves. If this remains true, which of the following statements is most liklely TRUE about the change in wolf nose colours re over many generations? Black noses will become more common than they are now black noses will stay about the same frequency as now black noses will become less common than they are now brown noses wil disappear after enough generations pass

What two types of cells contain chloroplasts?

Which statement best defines biodiversity? A. The total number of different species in an area B. The number of communities in an ecosystem C. The number of trophic levels in a food web D. The total size of a population of a single species

DNA can be found in what organelles in the cell?

How do plants obtain nitrogen?

What is the function of the chloroplasts?