bio exam 1

¡Supera tus tareas y exámenes ahora con Quizwiz!

Which lipids are known as energy storage molecules?

triglycerides

True or False: Homeostasis is the process by which living organisms maintain a fairly constant internal environment despite changes in the external environment.

true

In anatomical position, the humerus is ​[____] to the carpals.

Proximal

Ribosome

protein synthesis

Which of the following is NOT part of the anterior cavity?

Cranial cavity

List the following stages of cellular respiration in the correct order:

glycolysis, preparatory system, citric acid cycle, electron transport chain

Diffusion of molecules is always from a region of ​[____] concentration to a region of ​[____] concentration.

high; low

elastic connective

flexibility and stretch

Nervous tissue

Transmits electrical impulses

Golgi apparatus

A system of membranes that modifies and packages proteins for export by the cell

Desmosomes

Allow tissues to stretch and bend

Lysosome

An organelle containing digestive enzymes

What kingdom are humans classified as?

Animalia

Which of the following would be considered prokaryote?

Bacteria and Archaea

Both hydrogen bonds and disulfide bonds are found in which level of protein structure?

tertiary

blood

transports materials

Peroxisome

detoxifies waste

Which of the following tissue types would contain the greatest amount of collagen fibers?

Dense

Which of the following types of glands secretes its products into the bloodstream?

Endocrine glands

Gap junctions

Facilitate movement of substances between cells

Which of the following processes releases energy and breaks down macromolecules into smaller molecules?

Hydrolysis

Which cell provides the skin with a tough waterproof protein?

Keratinocytes

Which of the following would NOT be found in the dermis of the skin?

Melanocytes

Which of the following is NOT a characteristic that makes humans different than other organisms?

No membrane bound nucleus

Which of the following statements correctly describes a eukaryotic cell?

Possesses true organelles.

Mitochondria

Powerhouse of the cell, organelle that is the site of ATP (energy) production

Which of the following describes a catabolic reaction?

Releases energy

Passive transport

Requires NO energy, Movement of molecules from high to low concentration, Moves with the concentration gradient

Tight junctions

Seal plasma membranes tightly together

​[____] contain substances that are destined for export from the cell.

Secretory vesicles

Which of the following is NOT characteristic of living things?

Unable to respond to the external enviorment

Which of the following accurately describes the properties of water?

Water is a polar molecule.

A negatively charged ion is formed when

an atom gains electrons.

Which of the following might occur if a protein is exposed to a drastic change in temperature or ph?

denaturation

What is the smallest level of organization capable of maintaining homeostasis?

cell

Tissues are comprised of multiple:

cells

Which one of these bonds is considered the strongest chemical bond shared between atoms?

covalent bonds

Nucleus

houses genetic information

Acids are known to ​[__] hydrogen ion concentration in a solution by ​[____] hydrogen ions.

increase; donating

Smooth ER

lipid synthesis

Cytoskeleton

maintains cell shape

H2O (Hydrogen and Oxygen) is classified as what?

molecule

Which of the following solutions has the highest hydrogen ion concentration?

ph 2 solution

A group of individuals of the same species living in the same area is known as a:

population

Bonds between phosphate groups carry

potential energy

Stratified epithelial

protection

The midsagittal plane divides the body into

right and left.

Red blood cells placed in a hypertonic solution will

shrink as water moves out of the cell by osmosis.


Conjuntos de estudio relacionados

F212: Molecules, Biodiversity, Food and Health

View Set

Chapter 9 International Business

View Set

From "The American Crisis" by Thomas Paine

View Set

SIMULATED EXAMS - MISSED QUESTIONS

View Set

Wei Wei Sun PHSC 101 Final part 2

View Set

Unit 2: Networks of Exchange Study Cards

View Set