Multicellular organisms must be protected from the external environment. Because of this, cells of even the simplest multicellular organisms are arranged to form an external barrier of
A) cellular tissue.
B) epithelial tissue.
C) connective tissue.
D) interstitial tissue.
All organisms begin life as a ____________ cell.
A) embryonic
B) haploid
C) larval
D) single
Substances like oxygen pass through the cell without the use of energy and move from an area of high concentration to an area of low concentration. This process is called
A) osmosis.
B) filtration.
C) active transport.
D) passive transport.

The movement of oxygen molecules over time from one side of the semipermeable membrane to the other side is known as
A) osmosis.
B) diffusion.
C) plasmolysis.
D) active transport.

Maria and Sam are studying about cells, tissues, organs, and organ systems in the human body. This is a picture of the human digestive system. Each part is a different color. Each part does something different during the process of digestion.
Even though each part of the digestive system is different, each part is also alike. What is one thing that each part shares with the others?
A) Each part contains organs.
B) Each part of the system is made of cells.
C) Each part breaks down food into smaller pieces.
D) Each part of the digestive system is made of exactly the same cells.
It has been proposed that mitochondria and chloroplasts are modern descendants of early prokaryotic cells that began to reside and gradually evolve within primitive cells.

Which statement supports this view?
A) mitochondria and chloroplasts both have prokaryotic ribosomes
B) mitochondria and chloroplasts cannot conduct protein synthesis
C) prokaryotic cells, mitochondria, and chloroplasts are void of any DNA
D) mitochondria and chloroplasts are found in all modern prokaryotic cells
In a prokaryotic cell, most ribosomes are
A) in the nucleus.
B) attached to the ER.
C) attached to the nucleus.
D) floating freely in the cytoplasm.
It is thought that organelles of eukaryotic organisms, such as mitochondria and chloroplasts (in plant cells) came from
A) protists.
B) mutations.
C) prokaryotes.
D) random events.

What is the function of the organelle labeled A in the diagram?
A) controls what goes into and out of the cell
B) gel-like fluid that fills most of the cell
C) controls everything the cell does
D) storage spaces in the cell
Your science teacher asks you to build a model of a cell. The model should look like a city, and buildings in the city should represent parts of a typical cell. Each building's real-life function should be like the function of the organelle it represents. For example, the vacuole of a cell, which stores water, could be a water tower in your cell city model.
Explain which building should represent the nucleus?
A) factory:manufacturing
B) city hall:control center
C) power plant:provides energy
D) highways and streets:transportation
Animal cells contain all of the following structures EXCEPT a
A) nucleus.
B) cell wall.
C) mitochondria.
D) Golgi apparatus.

This organelle is found in plant cells. The function of this organelle is to collect solar energy and use this to produce food, or glucose, for the plant. This organelle is the
A) leucoplast.
B) chloroplast.
C) mitochondrion.
D) Golgi apparatus.

What is the function of the organelle labeled C in the diagram?
A) control center of the cell
B) storage spaces in the cell
C) gel-like fluid that fills most of the cell
D) controls what goes into and out of the cell

One of the differences between a plant and animal cell can be found surrounding the outer cell structure of the plant cell. This part of the plant cell is made of specialized sugars called cellulose. It provides structure and support to the plant cell. What is this structure?
A) cell wall
B) cytoplasm
C) chlorplast
D) mitochondria
The boxes show parts of the body at different levels of organization.

What statement about the chart is true?
A) P is at the highest level of organization.
B) Q is at the lowest level of organization.
C) R is at the highest level of organization.
D) S is at the lowest level of organization.

This simple bacteria cell has the same structure as more complex cells. It controls what comes in to and leaves the cell and also maintains homeostasis. It is the
A) capsule.
B) cytoplasm.
C) membrane.
D) wall.

Your eyes. They are made of many different parts. Each part has a special job in helping you to see.

How would you describe the cells that make up the parts of your eye?
A) Each part of the eye is made up of identical cells.
B) The parts of the eye are made of the same cells that make up our skin.
C) Each part of the eye is made of special cells that help with a certain job.
D) The eye is not made up of cells. Instead it is made of tissues and each tissue has a special job.

The cell wall is tough, flexible and fairly rigid layer that surrounds some types of cells. It is located outside the cell membrane and provides cells with structural support and protection. All BUT ONE type of organism has cells with cell walls. That is a(n)
A) animal.
B) bacteria.
C) fungus.
D) plant.

What is the function of DNA and where is it found in a eukaryote cell?
A) sexual reproduction:ribosomes
B) controls respiration:mitochondria
C) regulates all cell activity:nucleus
D) pass of like traits:endoplasmic reticulum
~convert energy
~have its own DNA
~found in almost all cells
~enclosed by two membranes
Mitochondria and chloroplasts have similarities and differences. All BUT one of the characteristics on the list above are similarities between mitochondria and chloroplasts. That is
A) convert energy.
B) have its own DNA.
C) enclosed by two membranes
D) found in almost all cells.
The human body is composed of cells, organs, organ systems, and tissues. How are these organized?
A) Groups of cells form tissues.
B) Groups of organs form tissues.
C) Groups of organ systems form tissues.
D) Groups of tissues form organ systems.
When two solvents are separated by a semi-permeable membrane, water flows from low solute concentrations to high solute concentrations. What would happen if external pressure is applied to the solution with higher solute concentration?
A) The semi-permeable membrane will lose its activity.
B) Water will stop flowing across the semi-permeable membrane.
C) Water will flow more freely across the semi-permeable membrane.
D) The concentration of solute will become equal on both sides of the membrane.
Which two structures are not found in animal cells?
A) vacuoles and ribosomes
B) chloroplasts and ribosomes
C) cell walls and chloroplasts
D) endoplasmic reticulum and cell walls
How is a eukaryotic cell different from a prokaryotic cell?
A) It has DNA.
B) It is smaller.
C) It is living.
D) It has a nuclear membrane.

Cara and Chuck were looking at pond water through a microscope. They saw this image. Cara wondered what it was. Chuck said it had to be a living thing because it was
A) green.
B) moving.
C) made of cells.
D) round throughout.

  1. 👍
  2. 👎
  3. 👁
  1. We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.

    Give us your choices, so we can evaluate them.

    1. 👍
    2. 👎
  2. PsyDag is saying that? PsyDag? what the heck

    1. 👍
    2. 👎
  3. h


    1. 👍
    2. 👎
  4. all I know is that the first answer is B. Ephielal Tissue or smith

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. biology

    Mitosis in Complex Organisms Quick Check What happens during cytokinesis? The cytoplasm falls apart. The cytoplasm divides. The cytoplasm changes color. The cytoplasm becomes solid. Answer B- The cytoplasm divides. The process of

  2. Science

    Select the statement that is true.(1 point) Sexual reproduction produces more offspring than asexual reproduction. Asexual reproduction is a simpler process than sexual reproduction. Sexual reproduction requires a single parent.

  3. Science

    1. Select the statement that is true.(1 point) Sexual reproduction produces more offspring than asexual reproduction. Asexual reproduction is a simpler process than sexual reproduction. Sexual reproduction requires a single

  4. Science - "Cells" Unit test Answers

    For my connexus friends, Here is an (almost) entire sheet for the Cells unit test. 1. No, viruses are not alive because they rely on a host organism to be able to reproduce. 2. reproduction 3. chloroplast 4. Both plant cells and

  1. Biology

    For what kind of external environment is a saltwater fish adapted? Isotonic Environment Osmotonic environment Hypotonic environment Hypertonic environment Can someone help me idk which one it is

  2. science

    Which statement is correct about the function of a pseudopod? (1 point) It helps multicellular organisms move. It helps unicellular organisms move. It helps unicellular organisms reproduce. It helps multicellular organisms

  3. Science

    1. Unicellular cells must carry out ___ of life. all functions specific functions a single function a few functions 2. Which statement is correct about the movement of unicellular organisms and multicellular organisms? Parts of a

  4. Science

    Characteristics of Cells Quick Check 7th grade Connection I just took the test and these are the correct answers. I thought I would help others that help me , I couldnt find an answer to one of the questions , so here they are. Of

  1. Ms sue please check

    A scientist discovers a fossil of an animal and places it in the fossil record. The organism’s bones are similar to the bones of animal T, which appears earlier in the fossil record. Which conclusion is most reasonable?(1 point)

  2. Cells and Body Systems Unit Test

    Q: Compare hypertonic, hypotonic, and isotonic solutions. When an environment is hypotonic, what happens to the cell? A: The cell has more solute, so solvent moves from outside the cell to inside, causing the cell to swell. Q:

  3. biology

    The flowchart below depicts the levels of organization in multicellular organisms. cells --> _____ --> _____ --> organ systems Which correctly completes the flowchart? blood; tissues blood; organs organs; tissues tissues; organs

  4. Science

    How are red blood cells able to move through narrow vessels to carry oxygen throughout a multicellular organism? (1 point) A. They are small because they lack a nucleus. B. They are long and thin with a tail-like end. C. They are

You can view more similar questions or ask a new question.