Biology_Flashcards

Question 1

What color indicates a positive Biuret test for proteins?

Answer 1

Purple

Question 2

What result indicates a negative Biuret test?

Answer 2

Blue

Question 3

What does a positive iodine test for starch look like?

Answer 3

Black or navy

Question 4

What does a negative iodine test look like?

Answer 4

Amber

Question 5

What indicates a positive lipid paper test?

Answer 5

Grease mark

Question 6

What indicates a positive Benedict’s test for sugars?

Answer 6

Green, yellow, orange, red, or rust (after heating)

Question 7

What is the negative result for Benedict’s test?

Answer 7

Bluish (no color change)

Question 8

What part do you look through on a microscope?

Answer 8

Ocular lens (eyepiece)

Question 9

What holds the objective lenses?

Answer 9

Nosepiece

Question 10

What platform holds the slide?

Answer 10

Stage

Question 11

What secures the slide in place?

Answer 11

Stage clips

Question 12

What provides light to see the slide?

Answer 12

Light source

Question 13

What part supports the microscope?

Answer 13

Base

Question 14

What part is used to carry the microscope?

Answer 14

Arm

Question 15

What knobs adjust focus?

Answer 15

Coarse and fine adjustment knobs

Question 16

What is the result of mitosis?

Answer 16

Two identical cells

Question 17

What connects sister chromatids?

Answer 17

Centromere

Question 18

What are sister chromatids?

Answer 18

Duplicated identical DNA strands

Question 19

What is uncoiled DNA called?

Answer 19

Chromatin

Question 20

What is coiled DNA during division called?

Answer 20

Chromosomes

Question 21

What is the goal of meiosis?

Answer 21

Produce 4 unique haploid gametes

Question 22

What type of cells does meiosis produce?

Answer 22

Gametes (sperm or egg)

Question 23

What is codominance?

Answer 23

Both traits are fully expressed (e.g., AB blood)

Question 24

What is incomplete dominance?

Answer 24

A blending of traits (e.g., red + white = pink)

Question 25

Where does transcription occur?

Answer 25

In the nucleus

Question 26

Where does translation occur?

Answer 26

At the ribosome

Question 27

What is the start codon for protein synthesis?

Answer 27

AUG

Question 28

What are the stop codons?

Answer 28

UAA, UAG, UGA

Question 29

What carries genetic instructions from DNA to the ribosome?

Answer 29

mRNA

Question 30

What is the function of tRNA?

Answer 30

Brings amino acids during translation

Question 31

What are mutations?

Answer 31

Changes in DNA sequence that may alter proteins

Question 32

What system includes bones?

Answer 32

Skeletal system

Question 33

What system controls body activities with hormones?

Answer 33

Endocrine system

Question 34

What organ system filters blood and produces urine?

Answer 34

Urinary system

Question 35

What organ system allows gas exchange?

Answer 35

Respiratory system

Question 36

What system is responsible for movement?

Answer 36

Muscular system

Question 37

What system protects the body from infection?

Answer 37

Immune/Lymphatic system

Question 38

What organ system includes the brain and spinal cord?

Answer 38

Nervous system

Question 39

What system includes the skin, hair, and nails?

Answer 39

Integumentary system