1st Semester Biology Exam Review

Question 1

Scientists use observations and data to form and test a

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hypothesis

Question 2

These bonds are formed when atoms in molecules Share pairs of electrons

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Covalent Bonds

Question 3

These are made up of amino acids

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protiens

Question 4

These types of bonds are formed when atoms gain or lose electrons (they are "stolen")

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Ionic Bonds

Question 5

During interphase a cell grows, duplicates organelles, and

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copies DNA

Question 6

The cell membrane reappears during

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telophase

Question 7

An understanding of biology helps you evaluate important issues based on

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evidence

Question 8

When the solution surrounding a cell has a higher concentration of water than inside the cell

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Hypotonic

Question 9

DNA is duplicated during

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interphase

Question 10

These make protiens in the cell

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Ribosomes

Question 11

All the chemical processes used to build up or break down materials are called an organism's

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Metabolism

Question 12

Exploring how indoor pollutants lead to respiratory problems in an example of using biology to

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improve human health

Question 13

Multicellular organisms use mitosis for growth, development, and

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reproduction

Question 14

Only individuals belonging to the same species are able to

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reproduce by interbreeding

Question 15

In a single-celled organism, mitosis is used for

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Reproduction

Question 16

The study and manipulation of DNA on a molecular level is known as

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Molecular Genetics

Question 17

Name the part(s) of the cell theory

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All of the above

Question 18

On Earth, biodiversity generally increases from the

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poles to the equator

Question 19

Chromosones move to the equator of the cell during

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metaphase

Question 20

This is the smallest basic unit of matter

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atom

Question 21

Cells with a nucleus are called

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Eukaryotes

Question 22

Bonus: What is the chemical equation for photosinthesis

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6H2O+6CO2→→→C6H12O6+6O2

Question 23

If a tumor is malignet, then the cancer cells for the tumor

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Metastasize

Question 24

Scientists use scientific thinking to test

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hypeotheses

Question 25

Organisms rely on both negative feedback processes and behavior to maintain

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Homeostasis

Question 26

This is important for an organism to maintain homeostasis

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Negative Feedback

Question 27

The cell membrane disapears during

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prophase

Question 28

The name given for genetic changes in living things over time

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Evolution

Question 29

Similar organisms that can reproduce by interbreeding

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Species

Question 30

What does a cell make during the synthesis stage of the cell cycle?

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A copy of the DNA

Question 31

This is the used as a scale to measure acidity of how basic a substance is

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pH

Question 32

Movement of dissolved molecules in a fluid or gas from an area of higher concentration to lower

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Diffusion

Question 33

When the solution surrounding a cell has a lower concentration of water than water in the cell

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Hypertonic

Question 34

These destroy the unwanted items in the cell, such as used portions inthe cell.

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Lysosomes

Question 35

What is the name of the first Unit in the Holt McDougal Biology Textbook

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Introducing Biology

Question 36

When the water in the solution outside of the cell is equal to amount of water inside the cell

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Isotonic

Question 37

These are formed when an atom gains or loses an electron

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ions

Question 38

Scientists make ___________ and examine prior research

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observations

Question 39

The cytoplasm divides during

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cytokinesis

Question 40

Bonus: Name the physical science teacher last year (Honors)

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Mr. DeMerais

Question 41

This is what DNA and RNA is considered

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Nucleic acids

Question 42

Factors that are observed and measured during an experiment

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dependent variables

Question 43

These are the names of the organs of the cells.

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Organelles

Question 44

These are the respiration centers of cells (powerhouse)

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mitochondria

Question 45

The gap 1, gap 2, and synthesis stages of the cell cycle make up

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interphase

Question 46

One difference between a cancer cell and a normal cell is that

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Cancer cells divide uncontrolably

Question 47

Why do cells lining the stomach divide more quikly than those in the liver

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Liver replaces it only in response to injury or cell death, The cells inside of the stomach recieve much wear and tear

Question 48

These are protien passageways within a cell

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Endoplasmic Reticulum

Question 49

Scientific theories can change when scientists provide

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conflicting scientific evidence

Question 50

These are composed of only one type of atom

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elements

Question 51

Diffusion of water molecules from an area of higher water concentration to an area of lower

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Osmosis

Question 52

Chromosones pull apart during

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anaphase

Question 53

The variety of life across the biosphere

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Biodiversity

Question 54

What is a cell without a nucleus?

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Prokaryote

Question 55

This occurs when a vesicle fuses with the cell membrane and releases contents outside the cell

Accepted Answer

Exocytosis

1st Semester Biology Exam Review

Questions 55

1st Semester Biology Exam Review

Questions 55