PRETEST - MC 1
Quiz by Jayrald Cruzada
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- Q1
All of the following properties or processes are associated with living things, EXCEPT?
living things do not require food for energy to perform different activities.
responding to the environment
growth and reproduction
living things do not require food for energy to perform different activities.
30s - Q2
Which of the following sequences represents the hierarchy of biological organization from the least to the most complex level?
organelle, tissue, biosphere, ecosystem, population, organism
organism, community, biosphere, molecule, tissue, organ
cell, community, population, organ system, molecule, organelle
molecule, cell, organ system, population, ecosystem, biosphere
30s - Q3
Which of the following is a false statement regarding cell?
All forms of life are composed of cells that have a membrane enclosed nucleus.
Each chromosome has one very long DNA molecule with hundreds of thousands of genes.
Every cell uses DNA as its genetic information.
Every cell is enclosed by a membrane.
30s - Q4
In terms of the hierarchical organization of life, a bacterium is at the __________ level of organization, whereas a human is at the __________ level of organization.
organelle; organ system
single tissue; multicellular organism
single organelle; organism
single celled organism; multicellular organism
30s - Q5
The lowest level of biological organization that can perform all the activities required for life is the
organ system–for example, the reproductive system.
organelle–for example, a chloroplast.
cell–for example,a skin cell.
tissue–for example, nervous tissue.
30s - Q6
Which of the following is a false statement regarding deoxyribonucleic acid (DNA)?
DNA is composed of chemical building blocks called nucleotides.
DNA is an enzyme that puts together amino acids to make a protein.
Genes are composed of deoxyribonucleic acid.
Each deoxyribonucleic acid molecule is composed of two long chains of nucleotides arranged in a double helix.
30s - Q7
Once labor begins in child birth, contractions increase in intensity and frequency until delivery. The increasing labor contractions of child birth are an example of
feedback inhibition.
positive feedback.
negative feedback.
30s - Q8
When blood glucose level rises, the pancreas secretes insulin, and as a result blood glucose level declines. When blood glucose level is low, the pancreas secretes glucagon, and as a result blood glucose level rises. Such regulation of blood glucose level is the result of
negative feedback.
catalytic feedback.
bioinformatic regulation.
positive feedback.
30s - Q9
Which of the following is a major cause of the size limits for certain types of cells?
the evolution of larger cells after the evolution of smaller cells
the evolution of eukaryotes after the evolution of prokaryotes
the need for a surface area of sufficient area to allow the cell’s function
the difference in plasma membranes between prokaryotes and eukaryotes
30s - Q10
Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?
lipids
starches
steroids
proteins
30s - Q11
Which type of organelle is primarily involved in the synthesis of oils, phospholipids, and steroids?
ribosome
mitochondrion
smooth endoplasmic reticulum
lysosome
30s - Q12
Which structure is the site of the synthesis of proteins that maybe exported from the cell?
plasmodesmata
rough ER
Golgi vesicles
lysosomes
30s - Q13
In animal cells, hydrolytic enzymes are packaged to prevent general destruction of cellular components. Which of the following organelles functions in this compartmentalization?
lysosome
central vacuole
peroxisome
nucleus
30s - Q14
The liver is involved in detoxification of many poisons and drugs. Which of the following structures is primarily involved in this process and therefore abundant in liver cells?
rough ER
Nuclear envelope
smooth ER
Golgi apparatus
30s - Q15
Which of the following produces and modifies polysaccharides that will be secreted?
lysosome
vacuole
Golgi apparatus
mitochondrion
30s