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Q 1/50
Score 0
A plant and an animal are both living things. According to the cell theory, what can you conclude about these two very different organisms?
120
They are both made of one or more cells.
Plants have cells, but animals do not.
They both come from a non-living organism.
They both come from the same kind of cell.
Q 2/50
Score 0
Who are the three main contributors of the cell theory?
120
Schwann, Leeuwenhoek, Darwin
Jansen, Newton, Virchow
Schwann, Leeuwenhoek, Darwin
Schleiden, Schwann, Virchow
50 questions
Q.
A plant and an animal are both living things. According to the cell theory, what can you conclude about these two very different organisms?
1
120 sec
Q.
Who are the three main contributors of the cell theory?
2
120 sec
Q.
Which of the following observations about cell was made by Robert Hooke?
3
120 sec
Q.
A cell is observed to contain a nucleus, chloroplast, and a mitochondrion. From this statement, you can conclude that the cell is a/an:
4
120 sec
Q.
The site of ATP production and the site of photosynthesis are _______ and ________.
5
120 sec
Q.
How do mushroom, amoeba, carabao, and sampaguita similar from each other?
I. All living things are composed of cells. III. All cells undergo complete development.
II. Cells are the basic unit of life. IV. All new cells arise from existing cells.
6
120 sec
Q.
The following are the three main parts of a cell EXCEPT _______.
7
120 sec
Q.
A type of cell called lymphocyte makes proteins that are exported from the cell. Which of the following is the path of protein from the site where it is made to its export?
8
120 sec
Q.
In general, eukaryotic cells have a true nucleus, but an exemption to this is the mammalian red blood cell that lacks a nucleus when they mature. In your best knowledge, why do mammalian red blood cells
lack a nucleus?
9
120 sec
Q.
Which of the following statement best distinguishes a prokaryotic cell from a eukaryotic cell?
10
120 sec
Q.
Permanent animal tissues are of four types. Which of the following is NOT an animal tissue?
11
120 sec
Q.
Xylem and Phloem tissues are responsible for the conduction and distribution of water, minerals, and food for the different parts of the plants. What type of plant tissue does xylem and phloem can be classified?
12
120 sec
Q.
What type of tissue allows the body to move voluntary and involuntary?
13
120 sec
Q.
What type of tissue can be found on the root tips which consists of actively dividing cells which is responsible for plant growth?
14
120 sec
Q.
What do you call a finger-like projection that arises from epithelial layer in some organs like small intestine that helps to increase surface area allowing for faster and more efficient absorption?
15
120 sec
Q.
Neurons are specialized cells that function primarily in transmitting electrical signals to and from the brain fast and efficiently. What are the specialized structures of neurons that are like cilia and flagella of other cells?
16
120 sec
Q.
Which of the following is a correct statement about the events of the cell cycle?
17
120 sec
Q.
This stage of the interphase “double checks” the duplicated chromosomes for error and makes needed repair.
18
120 sec
Q.
Why is it necessary for the DNA to replicate prior to cell division?
19
120 sec
Q.
If you were to alter the duplication of DNA in a cell producing incorrect copies of DNA, which of the following would you hypothesize to most likely be the outcome of your experimentation?
20
120 sec
Q.
When cells divide, two parts are involved namely the nucleus and the cytoplasm. The division of the nucleus is called _____ and the division of the cytoplasm is called _____.
21
120 sec
Q.
Examine the picture of the cell. What phase is the cell in?
22
120 sec
Q.
What is the structure labeled “X” on the picture?
23
120 sec
Q.
A cell with 10 chromosomes undergoes mitosis. How many daughter cells were created? _____each daughter cell has ____chromosomes.
24
120 sec
Q.
What event is labeled as Process Z in the diagram?
25
120 sec
Q.
Which of the following is the main difference between meiosis and mitosis?
26
120 sec
Q.
In both mitosis and meiosis, sister chromatids separate during anaphase, but there are _____ haploid daughter nuclei produced by meiosis compared to _____ diploid nuclei by mitosis.
27
120 sec
Q.
Juan has very small or poorly developed eyes, extra fingers or toes, extra copy of chromosome in the 13th pair, and a cleft palate. What genetic disorder does he have?
28
120 sec
Q.
Which of the following events in Meiosis I shuffles the genes to a new combination of chromosomes resulting from fertilization?
I. crossing over in prophase I; independent assortment in metaphase I
II. crossing over in prophase I; independent assortment in anaphase I
III. crossing over in metaphase I; independent assortment in prophase I
IV. crossing over in anaphase I; independent assortment in metaphase I
29
120 sec
Q.
Which of the following show the significance of mitosis and meiosis?
I. Mitosis helps in preserving and maintaining the genetic stability of a particular population.
II. Meiosis helps in preserving and maintaining the genetic stability of a particular population.
III. Mitosis produces diversity within a population.
IV. Meiosis produces diversity within a population.
30
120 sec
Q.
Which of the following describes the importance of meiosis?
31
120 sec
Q.
Refer to the given diagram of the cell membrane:In the diagram, structure D corresponds to_____
32
120 sec
Q.
Refer to the given diagram of the cell membrane:In the diagram, structure B corresponds to_____
33
120 sec
Q.
Which of the following groups is the main component of the cell membrane?
34
120 sec
Q.
Which of the following transports macromolecules across the membrane?
35
120 sec
Q.
What is a fluid mosaic model? The fluid mosaic model _________.
36
120 sec
Q.
What is a characteristic of the fatty acid tail of the phospholipid?
37
120 sec
Q.
Which part of the phospholipid attracts water from the cell environment?
38
120 sec
Q.
What of the following is NOT TRUE about the cell membrane? The cell membrane_____.
39
120 sec
Q.
A U-tube is divided into halves by semi-permeable membrane. Side A contains sugar solution and side B contains an equal amount of pure water. In which direction will more water molecules move per unit of time?
40
120 sec
Q.
In the lungs, the movement of carbon dioxide out of cells and oxygen into cells can be best explained by which of the following processes?
41
120 sec
Q.
A biochemist is studying the transport of substance X into cells. She finds out that the transport is affected by a chemical that inhibits energy production. Substance X is possibly transported into cell by what process?
42
120 sec
Q.
What requirement of an active transport for the passage of materials into and out of cells?
43
120 sec
Q.
This picture represents what type of cell transport?
44
120 sec
Q.
A process of taking in fluids into the cell by invagination of the cell membrane.
45
120 sec
Q.
Which of the following statements is TRUE for exocytosis?
46
120 sec
Q.
Peeling, bruising, or cutting fruits cause them to release polyphenol oxidase (PPO) and produce brown pigments due to the presence of__________.
47
120 sec
Q.
Some people cannot digest milk products because they lack a specific enzyme. Which enzyme would be used to break down the lactose in milk?
48
120 sec
Q.
Which of the following is an activated enzyme made of polypeptide chain and co- factor?
49
120 sec
Q.
Enzymes have a specific shape that substrate interact with, called the active site. They do this by _____.
