Q1W9: Tues 10/7 - Cycle 1 Review Part 2

​Happy Tuesday! 10/7

Q1W9

BW Tues 10/7

Turn to PG 18 (Unit 2 BW PG)
Answer the second brain builder question!

Cycle 1 Review (Part 2)

You have your Cycle 1 Test TOMORROW!!!!

It covers EVERYTHING WE HAVE LEARNED ALL YEAR!!!
It is really important! We will spend the next 2 days studying for it!

There is nothing to write in your NB, but this Wayground IS A GRADE!!!!

Things we will review...

• Types of Cells

• Cell Transport

• Cell Cycle

• Theory VS Law

Multiple Choice

What prevents scientists from cloning humans despite the fact that other mammals such as sheep have been cloned?

• Cloning humans would take too much time to reproduce.

• There are many ethical problems involved in cloning humans.

• The technology to clone humans has not been explored.

• Human reproduction is very different from that of other mammals.

Multiple Choice

GMO crops are regularly met with opposition, Golden Rice is grown and distributed in regions where rice consumption is high and variety in diet is low. Which of the following explains a benefit of using Golden rice in these areas?

• Golden Rice is bio-engineered and is yellow as a result.

• Golden Rice allows regions with a low variety of food to receive necessary nutrients.

• Beta-carotene is a lab-created nutrient that has unknown effects.

• Producing Golden Rice will result less variety of food grown.

Multiple Choice

Has membrane bound organelles

• Prokaryote
• Eukaryote
• both

Multiple Choice

One example of a prokaryote is a...

• fungus
• bacteria
• animal
• plant

Multiple Choice

Which type of cell?

• Prokaryote
• Eukaryote

Multiple Choice

Which type of cell?

• Prokaryote
• Eukaryote

Multiple Choice

Which type of cell?

• Prokaryote
• Eukaryote

Multiple Choice

Where is the DNA found in a prokaryotic cell? 

• floating around in the cytoplasm 
• in the nucleus 
• in the ribosomes
• attached to the cell membrane

Multiple Choice

Where is the DNA found in a eukaryotic cell? 

• floating around in the cytoplasm 
• in the nucleus 

Multiple Choice

Bacteria are a type of...

• Prokaryote
• Eukaryote
• both

Multiple Choice

True or False: Both prokaryotes and eukaryotes have ribosomes and a plasma membrane.

• True

• False

Multiple Choice

What type of cell is shown?

• Plant cell

• Prokaryotic cell

• Bacteria cell

• Eukaryotic cell

Multiple Choice

I have DNA but no membrane-bound organelles, what am I?

• Eukaryote

• Prokaryote

• Animal cell

• Plant cell

Multiple Choice

What type of cell is shown?

• Eukaryotic cell

• Bacteria cell

• Prokaryotic cell

• Animal cell

Multiple Choice

I have membrane-bound organelles and DNA, what am I?

• Prokaryote

• Chloroplast

• Bacteria

• Eukaryote

Multiple Choice

Which of the following has organelles?

• prokaryotes

• eukaryotes

• prokaryotes and eukaryotes

Multiple Choice

Which of the following has DNA?

• prokaryotes

• eukaryotes

• prokaryotes and eukaryotes

Multiple Choice

Animals are an example of __________.

• prokaryotes

• eukaryotes

Multiple Choice

What is the smallest unit of life that can carry out all life functions?

• the nucleus
• the vacuole
• the mitochondria
• the cell

Multiple Choice

Which one of the following organelles is not found in a an animal cell?

• cell membrane
• nucleus
• chloroplast
• endoplasmic reticulum

Multiple Choice

made up of chromosomes and determines the genetic traits.

• cytoplasm
• mitochondria
• organelles
• DNA

Multiple Choice

Provides extra support for the plant cell and gives in shape

• chlorophyll
• chloroplast
• cell wall
• vacuole

Multiple Choice

A storage structure- in an animal cell there are many small ones, but in a plant cell there is just one large one.

• vacuole
• ribosomes
• golgi body
• chloroplast

Multiple Choice

Acts like a gatekeeper- allowing some materials to pass through it, but not others. 

• cytoplasm
• cell membrane
• mitochondria
• vacuoles

Multiple Choice

The shape of this type of cell is rectangular.

• plant cell
• animal cell
• bacteria cell

Multiple Choice

The shape of this type of cell can be round or oval.

• animal cell
• plant cell
• bacteria cell

Multiple Choice

what's the difference between prokaryotes vs. eukaryotes?

• Prokaryotes have nucleus
• Eukaryotes do not have a nucleus
• Prokaryotes have a cell wall
• Eukaryotes do have a nucleus

Multiple Choice

"powerhouse of the cell" breaks down sugar molecules to release energy

• Mitochondria
• Chloroplast
• Cell Wall
• Vesicle

Multiple Choice

Jelly-like substance found inside cell that all organelles are surrounded by

• Nuclear Membrane
• Golgi Body
• Cytoplasm
• Ribosome

Multiple Choice

Controls what passes in and out of the cell

• Cell Membrane
• Vacuole
• Ribosome
• Lysosome

Multiple Choice

gives support and shape to some cells

• Cell Wall
• Cytoskeleton
• Cell Membrane
• Nuclear Membrane

Multiple Choice

Makes proteins for the cell, can be found attached to the endoplasmic reticulum or free in the cytoplasm

• Cell Wall
• Golgi Body
• Ribosome
• Cytoplasm

Multiple Choice

Tiny cell structures that carry out specific functions within the cell.

• membranes
• nucleus
• organelles
• animalicules

Multiple Choice

First type of cell to appear on Earth?

• Plant
• Animal
• Prokaryotic
• Eukaryotic

Multiple Choice

Plants and animal cells both have a nucleus.

• True
• False

Multiple Choice

Directs all cell activities  (instructions for protein synthesis) through the DNA located there.

• Lysosomes
• Nucleus
• ribosomes
• Mitochondria

Multiple Choice

An animal cell has the following except a/an...

• Nucleus

• Lysosome

• Cell Wall

• Endoplasmic reticulum

Multiple Choice

Which organelle belongs in plant cells only?

• Cell Membrane
• Mitochondrion
• Chloroplast
• Nucleus

Multiple Choice

The diagram above shows two different kinds of substances, A and B, entering a cell. Identify the molecule that is entering the cell through passive transport.

• A

• B

• A & B

• None of the Above

Multiple Choice

The diagram above shows two different kinds of substances, A and B, entering a cell. ATP is most likely being used for

• substance A to enter the cell

• both substances to enter the cell

• substance B to enter the cell

• neither substance to enter the cell

Multiple Choice

Cells need to bring in molecules to carry out cellular processes. Often, this requires molecules moving across the cell membrane with the concentration gradient. How do these molecules get into the cell?

• passive transport by diffusion

• active transport using ATP

• passive transport by osmosis

• phagocytosis

Multiple Choice

A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which of the following has occurred?

• The swollen gums have absorbed the saltwater solution.

• The saltwater solution lowers the temperature of the water in the gums.

• The salt in the solution has moved against the concentration gradient.

• The water in the gums has moved out due to the high concentration of salt in the solution.

Multiple Choice

Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from a low concentration to a high concentration. How do you describe this type of transport across the cell membrane?

• active transport

• passive transport

• facilitated diffusion

• co-transport

Multiple Choice

Osmosis occurs when there is a different concentration of solute molecules on each side of the membrane. The drawing below shows a beaker containing a 30% salt solution and a suspended cell containing a 10% salt solution. What statement best describes the cell after 20 minutes?

• Water will move from the cell into the beaker, resulting in a smaller cell.

• Water will move from the beaker into the cell, resulting in a larger cell.

• Salt will move from the cell into the beaker, resulting in a smaller cell.

• Salt will move from the beaker into the cell, resulting in a larger cell.

Multiple Choice

Kalinda was trying to explain to her friend the difference between a theory and a law in science.  She used the theory of plate tectonics and the law of superposition as examples.  Kalinda explained the difference by using nonscientific language.  Which statement did Kalinda use to correctly describe the difference between a theory and a law in science?

• A theory describes a natural event, while a law explains it.
• A theory explains a natural event, while a law predicts it.
• A theory explains a natural event, while a law describes it.
• A theory predicts a natural event, while a law explains it.

Multiple Choice

Laws are usually mathematically defined.

• True
• False

Multiple Choice

A scientific ____________ is a statement that describes what always happens under certain conditions in nature.

• law
• theory
• method
• variable

Multiple Choice

A set of principles that explains and predicts a phenomena is called a _____. 

• scientific law
• scientific method
• scientific theory
• scientific instructor

Multiple Choice

An explanation a scientist makes that IS 100% proven based off multiple investigations is called a ___________.

• hypothesis
• theory
• law
• question

Multiple Choice

Species on earth have changed over time because some organisms are more likely to survive and to reproduce, passing favorable traits to their offspring.

• hypothesis

• theory

• law

Multiple Choice

If I feed my dog less food, she will lose weight.

• hypothesis

• theory

• law

Multiple Choice

If you study for your quiz tomorrow, your score will be higher.

• hypothesis

• theory

• law

Multiple Choice

Once a theory has been tested and confirmed it cannot be changed.

• True
• False

Multiple Choice

Which of the following can be used to test a hypothesis?

• experiment
• theory
• law
• variable

Multiple Choice

Mutations occurring in genes controlling the cycle end up disrupting the cell cycle .Therefore, bypassing checkpoints. What happens?

• Uncontrolled growth occurs, forming tumors

• the cell dies

• the cell stops growing

• the cell goes back to interphase

Multiple Choice

Uncontrolled mitosis leads to _____________

• interphase

• cancer

• G2 phase

• S phase

Multiple Choice

what occurs in the S phase?

• Cell enters mitosis

• cell grows

• DNA replicates

• cell does cytokinesis

Multiple Choice

Mitosis has to do with which type of reproduction?

• Asexual reproduction

• Sexual reproduction

Multiple Choice

In prophase , what is happening ?

• Spindle fibers move chromosomes to opposite sides of the cell

• • Two cells being made

  • Chromosomes on opposite sides

  • New Nuclei are forming

  • Each new cells will have 1 centriole on opposite side

• Nucleus is gone.

  Chromosomes lined up in the middle.

• chromosomes condense and become visible. The nucleus is still present.

Multiple Select

Which three pictures represent prophase?

Multiple Choice

Which of the following shows a cell in the anaphase stage?

Multiple Choice

What stage is the following picture showing?

• cytokinesis

• metaphase

• telophase

• anaphase

Multiple Choice

Which of the following represents telophase?

Multiple Choice

What is happening in metaphase ?

• • Two cells being made

  • Chromosomes on opposite sides

  • New Nuclei are forming

  • Each new cells will have 1 centriole on opposite sides

• Nucleus gone.

  Chromosomes lined up in the middle.

• Spindle fibers move chromosomes to opposite sides of the cell

• • Cell finally splits into two

  • Cytoplasm splits

  • New cells genetically identical

  • Final stage for asexual reproduction

Multiple Choice

During interphase:

• 
  The cell grows

• Chromosomes start to double (or duplicate)

• The cell prepares for mitosis

• All of the above

Multiple Select

Which two of the following best describe what would happen if mitosis did not take place?

• Organisms would be single-celled.

• Chromosomes would not duplicate.

• 
  Body tissues would not repair themselves.

• The production of gametes would not occur.

Multiple Choice

The diagram shows cells in different phases of mitosis. A student is trying to find a cell in a particular phase of mitosis. The student is looking for evidence that spindle fibers are separating the chromosomes to ensure that each new nucleus has one copy of each chromosome.​Which cell is in the phase of mitosis that the student is searching for?

• 
  Cell 1

• Cell 2

• Cell 3

• Cell 4

Multiple Choice

Cells pass through a G₂ checkpoint before entering mitosis. Ideally, if DNA damage is detected, the cells do not enter mitosis until the damage is repaired. Why is DNA damage repaired before cells enter mitosis

• So that another round of DNA synthesis does not have to take place

• So that the chromosomes can align at the metaphase plate during mitosis

• So that the cytoplasm can be divided equally between the two daughter cells

• So that healthy daughter cells are produced, allowing the organism to continue growing

Multiple Choice

The diagram shows cells in different phases of mitosis. A student is trying to find a cell in a particular phase of mitosis. The student is looking for evidence that DNA is condensed during the prophase stage.Which cell is in the phase of mitosis that the student is searching for?

• cell 1

• cell 2

• cell 3

• cell 4

Multiple Choice

The diagram shows cells in different phases of mitosis. A student is trying to find a cell in a particular phase of mitosis. The student is looking for evidence that sister chromatids are being placed in the middle of the cell by spindle fibers.

​Which cell is in the phase of mitosis that the student is searching for?

• Cell 1

• Cell 2

• Cell 3

• Cell 4