BIOLOGY HESI A2 V2

What aerodynamic nature of a birds wing is an example of what central theme in biology?

C. Structure and function

What part of a plant acts as a barrier and provides support cell?

D. Cell wall

What antioxidant is identified as a healing Vitamin?

C. A

What is an example of the correct organization herarchy for a Wolf?

DNA, Blood cell, muscle tissue, heart, circulatory system, wolf

Which method of glucose conversion generates the most usable and efficient form of ATP within the human body?

A. Aerobic respiration

Which combination of cell cycle phase and descriptor is correct?

G2 phase- the phase prior to the start of mitosis in which the cell continues to grow in size and make proteins.

Which structure allows sperm cells to move?

Flagellum

What is the first step in the process of respiration?

Glycolysis

What cell organelle can be functionally compared to the door of a house?

Cell membrane

If the zygomatic arch is broken, where is the fracture located?

Face

What part of a light microscope is used to hold the slide in place?

stage clips

Which term means a group of similar cells combined to perform a common function?

tissue

Which term means alternate forms of a gene for the same trait?

alleles

What does the mitochondria produce that causes it to often be called the powerhouse of the cell?

ATP

Human cells need oxygen for respiration. What system of the body is responsible for transporting an oxygen molecule to different locations throughout the body?

circulatory

Each species has a characteristic chromosome number and most of their cells have a complete set of these chromosomes. However, in the life cycle of humans, only sperm and eggs have which number of chromosomes?

Haploid

Which set is correctly listed from characteristic chromosomes number, and most of their cells have a complete set of these chromosomes?

Phylum, order, genus, species

What part of a light microscope is the slide placed?

stage

What type of bond in the base of the DNA nucleotide holds the stands together?

Hydrogen

Aerobic respiration occurs in the presence of what necessary molecule?

Oxygen

What is the purpose of cellular respiration?

Obtain energy in the form of ATP

How are viruses categorized?

All of these are ways in which a virus is categorized

Animals are composed primarily of what type of cell?

Eukaryotic

Where in the cell does the Krebs cycle take place?

mitochondria

Which genetic descriptor refers to an organisms actual appearance?

Phenotype

What must any solution injected into tissue be to prevent cells from shrinking or swelling

isotonic

What structure in a plant cell is surrounded by a double membrane and contains most of the genetic information used to control the cell?

Nucleus

Osmotic pressure is the tendency for a single solution to absorb what substance?

water

Skin cells undergo what type of cellular division?

Mitosis

A plant cell is placed in a solution and it shrinks from water loss. In what type of environment was the cell placed?

Hypertonic

In a punnet square, a capital letter represents what type pf allele?

Dominant

Which type of technological device mimics the human body's innate ability to maintain homeostasis?

Thermostat

what is the term for a statement predicting the outcome of an experiment?

Hypothesis

The structure of a bacteria is circular. Which bacteria fits this criteria?

Nisseria

what enzyme is used to catalyze the elongation of the DNA strand during replication?

DNA Polymerase

What organisms cannot produce energy without oxygen?

strict aerobes

What action does an enzyme perform that increases the rate of a biological reaction?

Lowers the activation energy

What. term describes the process of producing the RNA stand from a DNA template?

Transcription

What function does the cellular membrane perform?

Separates the living contents of the cell from nonliving surroundings environment

Where does photosynthesis take place?

Chrolorplast

Which term means the movement of water across a semi- permeable membrane from a low solute concentration to a high solute concentration?

Osmosis

What term best describes the sum of all an organism's chemical processes?

Metabolism

What process of division do sex cells undergo?

Meiosis

What molecules are unmetabolized by the body , but are used to increaser reaction rates?

Enzymes

Which molecule is an example of a nucleic acid?

DNA

Which is a process is the movement of particles from a high concentration to a low concentration?

Diffusion

What type of cells are without a true nucleus?

Prokaryotic

Why do cells require a large surface - to volume ratio?

Nutrients and gas exchange

Many control both positive and negative , Mainly body processes.What is this phenomenon called?

Homeostasis

Which statement is an inference related scientific methodology?

Nutrients are needed for growth

What is the term for movement of water across a cellular membrane?

osmosis

Which aspect of a biological system explains why a protein unique shape determines what it does?

structure and function

What human tissue allows the body to move?

Muscular

AIDS is caused by what type of infectious agent?

Virus