Ch 1

Question 0

What’s an example of haploid cells?

Answer 0

Sex cells

Question 1

What purpose do Histone proteins serve?

Answer 1

Protect naked DNA

Question 2

Ribosomes attached to internal membranes is called

Answer 2

Rough endoplasmic reticulum

Question 3

Where is the site of protein synthesis?

Answer 3

Endoplasmic reticulum

Question 4

What organelle helps decode an mRNA message and translate it into polypeptide chains

Answer 4

Ribosomes

Question 5

Where does translation take place ?

Answer 5

Endoplasmic reticulum

Question 6

This organelle reconstructs and packages protein for secretion

Answer 6

Golgi complex

Question 7

Where do lysosomes originate from?

Answer 7

Golgi complex

Question 8

In regards to auto digestion, vitamin a causes what two things to happen

Answer 8

Lysis and swelling

Question 9

In relation to vitamin a in auto digestion, cortisone serves what purpose?

Answer 9

Stabilizes the membrane reducing swelling

Question 10

Where is ATP formed?

Answer 10

Mitochondria

Question 11

Oxidative phosphorylation is also known as what

Answer 11

The electron transport chain

Question 12

Cristae increases what

Answer 12

Inner membrane surface area

Question 13

Microtubules attach and pull apart

Answer 13

DNA chromatids

Question 14

Actin and myosin in muscle cells can form

Answer 14

Micro filaments

Question 15

Desmosomes attach cells together and help to resist

Answer 15

shearing forces

Question 16

Two cells attach together forming an impermeable barrier to fluid

Answer 16

Tight junction

Question 17

Two cells allow their cytoplasms to join and allow for the exchange of various molecules and ions

Answer 17

Gap junctions

Question 18

The opening and closing of a channel believed to be in association with integral membrane proteins

Answer 18

Gating

Question 19

Hormonal chemicals in the blood can change cell function two ways

Answer 19

Attachment to receptor

Direct action on nucleus

Question 20

Chemicals secreted outside a cell to influence patterns and behavior of near by cells

Answer 20

Paracrine

Question 21

Secretion of chemicals to influence changes on the cell itself

Answer 21

Autocrine

Question 22

Acts on surface receptors to amplify change within the cell

Answer 22

Second messengers

Question 23

Derived from ATP and important in many biological processes

Answer 23

cAMP

Question 24

Used in synthesis of organic molecules, muscle contraction, and active transport

Answer 24

ATP

Question 25

First step in glucose breakdown to release energy and produce apt occurring in the cytoplasm and is anaerobic

Answer 25

Glycolysis

Question 26

Oxidative phosphorylation occurs where

Answer 26

In the mitochondria