Science NurseHub

Question 1

Allele pairs seperate from eachother during Gametogenesis and reunite randomly during the fertilization process

According to

Answer 1

According to the Law of Segregation

Question 2

Offspring recieve 1 allele from each parent according to…

Answer 2

Law of Segregation

Question 3

Traits do not influence eachother is this Mendalian law

Answer 3

Independient assortment

Question 4

_____ decode mRNA and assemble amino acids for protein synthesis

Answer 4

Ribosomes

Question 5

_______ is the force that acts between protons and neutrons

Answer 5

Nuclear Force

Question 6

One billionth of a gram.

Answer 6

Nanogram

Question 7

________ is one-trillionth of a gram. A gram is about 1/30 of an ounce.

Answer 7

Picogram

Question 8

Gigagram is equal to

Answer 8

1 billion grams

Question 9

Kind of bond between nitrogenous bases

Answer 9

Hydrogen

Question 10

Chromesomes contain genes

Genes contain Chromesomes

Which is correct

Answer 10

Chromesomes contain genes

Question 11

Which segment of the Nephron are glucose, amino acids, and electrolytes reabsored?

Answer 11

PCT

Question 12

Nasal cavity, pharynx, ______, trachea, bronchi, _______

Answer 12

Larynx, bronchioles

Question 13

Spongy bone is always located on the (inside/outside) of the bone

Answer 13

Inside

Question 14

What structure divides the diaphysis from the epiphysis?

Answer 14

Epiphyseal plate

Question 15

Which do kidneys filter from the blood

Red blood cells

Carbon Dioxide

Oxygen

Salts

Answer 15

Salts and other “wastes”

Question 16

What structure makes hairs stand up

Answer 16

Arector pili muscle

Question 17

Where are lymphocytes produced?

Answer 17

Red bone marrow

Question 18

Cutaneous vasoconstriction cools the body by restriction of blood flow to the skin

True or False

Answer 18

False

Vasoconstriction warms the body by restriction of blood flow to the skin

Question 19

Contraction of arrector pili muscle facilitates cutaneous _________
Warming the body by restriction of blood to the skin

Answer 19

Vasoconstriction

Question 20

Which shortens during contraction

Myosin or actin

Answer 20

Neither

The sarcomere shortens

Question 21

Which have valves: veins or arteries

Answer 21

Veins

Question 22

Which have a smaller diameter Veins or Arteries

Answer 22

Arteries

Question 23

Parathyroid hormone does what to blood calcium levels

Answer 23

Increases it

Question 24

The ______ is the sperm channel from the epididymis to the penis

Answer 24

Vas deferens

Question 25

______ causes bone matrix resorption during bone growth and remodeling

Answer 25

Osteoclasts

Question 26

______are the resident macrophages of the bones

Answer 26

Osteoclasts

Question 27

Which antigen-specific immune cell produces cytokines, which facilitate various immune reactions

Answer 27

Helper T-cells

Question 28

B-cells produce _________ or antibodies

Answer 28

Immunoglobulins

Question 29

Helper T-cells, cytotoxic cells, and B-cells are all this type of cell

Answer 29

Antigen-specific immune cells

Question 30

Movement of molecules in a substance depends on _____ energy

Answer 30

Heat

Question 31

These bonds form between the partially positive region on one molecule and the partially negative charged region on another

Answer 31

Hydrogen

Question 32

Enzymes increase the rate of any given reaction by ...

Answer 32

Lowering the activation energy

Question 33

When one event or variable, increases or decreases as a result of other events, it is said there is...

Answer 33

Causation

Question 34

The variable that is controlled in an experiment is called...

Answer 34

The independent variable

Question 35

Proteins are produced when ____ are expressed

Answer 35

Genes

Question 36

A _______ between variables, however, does not automatically mean that the change in one variable is the cause of the change in the values of the other variable. ________ indicates that one event is the result of the occurrence of the other event

Answer 36

Correlation Causation

Question 37

According to ___________, only one of the two gene copies present in an organism is distributed to each gamete (egg or sperm cell) that it makes, and the allocation of the gene copies is random.

Answer 37

Law of Segregation

Question 38

When an organism makes gametes, each gamete receives just one gene copy, which is selected randomly. This is known as the 

Answer 38

law of segregation

Question 39

The law of _______ states that every individual possesses two alleles and only one allele is passed on to the offspring. The law of _______ states that the inheritance of one pair of genes is independent of inheritance of another pair.

Answer 39

Segregation Independiente assortment

Question 40

Does vasodilation cool or warm the body? How so?

Answer 40

Cools the body by letting the warm temperature blood diffuse heat through the capillaries and skin