General Biology

BIO HELPPP

BIO HELPPP

Help with the following?:

1. Write the basic chemical   structure of an amino   acid (all of the atoms). How are amino acids are linked via the peptide bond (which atoms)? What makes an amino acid "acidic," "basic," "p

joe52   1179   4 Replies

bio_man

Biology questions need help :(

Biology questions need help :(

Which of the following are acellular?
protozoans
bacteria
algae
archaea
prions


Which statement about bacteria is incorrect?
All bacteria are pathogenic to humans.
Bacteria are prokaryotes.
Most

indapark   5245   1 Reply

bio_man

How does RF1 use mimicry to terminate the reaction once a stop codon is encountered during translati

How does RF1 use mimicry to terminate the reaction once a stop codon is encountered during translati

7.3 How does RF1 use mimicry to terminate the reaction once a stop codon is encountered during translation?
9.2 What is the structure of ATP, which bonds are high energy (chemical "potential energy") and why do cells use ATP as a curre

jake52   2068   6 Replies

bio_man

Bio I

Bio I

Rank 1-4 these reactions from least to most energetically favorable.
   
    Glucose-6-P to Fructose-6-P, +0.4kcal/mol 
    Glucose to Glucose-6-P, +3.3kcal/mol 
    ATP to ADP and P

jutt   8865   3 Replies

bio_man

More Bio homework help, please.

More Bio homework help, please.

Question 1
You would know a dividing cell was a plant cell rather than an animal cell if you saw that ________________.
 
   A.    the nucleolus was visible during metaphase
   B.    it had formed a cell plate
   C.    it had two pairs o

Matty0132   1991   1 Reply

bio_man

Mutant bacteria can be detected by selecting or testing for an altered phenotype by which of the fol

Mutant bacteria can be detected by selecting or testing for an altered phenotype by which of the fol

Mutant bacteria can be detected by selecting or testing for an altered phenotype by which of the following methods?

 a. Neutral selection – selecting mutant cells on the basis of antibody production.
 b. Positive (direct) selection –

biosen   6625   2 Replies

bio_man

Partially blocks the H+/pyruvate symporter, interfering with the transport of pyruvate into the mito

Partially blocks the H+/pyruvate symporter, interfering with the transport of pyruvate into the mito

Substance’s Effect: Partially blocks the H+/pyruvate symporter, interfering with the transport of pyruvate into the mitochondria.
1. Causes weight loss or weight gain?


Substance’s Effect: Increases the number of free hydrogen io

BurningEmblem   15154   5 Replies

bio_man

PROTEINS-HELP!

PROTEINS-HELP!

1) general characteristics and importances about protein
2) building blocks of protein
anions cations and dipolar ions
3) classification of proetin
4) peptide bonds of proteins
5) protein conformation
talk about primary

flower555   1002   1 Reply

bio_man

HELP HELP

HELP HELP

PLEASE HELP AS SOON AS POSSIBLE!
1) Which of the following is an example of hydrogen bond?
a) the peptide bond between amino acids in a protein
b) The bond between an oxygen atom and a hydrogen in the carboxyl group of a fatty acid.

flower555   8494   4 Replies

bio_man

HELP please :( bio

HELP please :( bio

Most of the world's fresh water supply is used for
drinking water for livestock.
drinking water by humans.
irrigating crops.
boating and recreation.
bathing by humans.

Habitat destruction is the largest cause

indapark   10322   1 Reply

bio_man

Bio Help #2 :(

Bio Help #2 :(

Which of these is not a mollusk?
clam
octopus
snail
squid
shrimp

Which is the largest, most diverse group of arthropods?
centipedes
millipedes
insects
arachnids
crustaceans

A lee

indapark   5478   4 Replies

bio_man

How does Sclerotinia invade plants? What are the cures and possible treatments? Diagram the life ...

How does Sclerotinia invade plants? What are the cures and possible treatments? Diagram the life ...

How does Sclerotinia invade plants? What are the cures and possible treatments? Diagram the life cycle of Sclerotinia.

bh08   1115   1 Reply

bio_man

SYNONYM!

SYNONYM!

what is a synonym for the word LIGAND  as in fatty acids can act as a LIGAND for TLR4?

gh1991   1177   3 Replies

bio_man

Need help on test review

Need help on test review

Alright im studying for a partial midterm and here is the review, he didnt post any key, but to just make sure ig ot them right can anyone answer some questions?

1.   
A fossil is defined as any evidence of an organism from:
A.   At

Rogue2166   14454   1 Reply

bio_man

animal/ bacterial viruses

animal/ bacterial viruses

What is the major difference in the entry of animal viruses and bacterial viruses into their host cells??

Chris   1159   1 Reply

bio_man

More Bio homework, please help

More Bio homework, please help

Question 1    
If each parent can produce 100 genetically distinct gametes, how many genetically distinct offspring can two parents produce?

   A.    200
   B.    100
   C.    1,000
   D.    10,000
   E.    1,000,000

Questio

Matty0132   3193   1 Reply

bio_man

5 stages of animal virus

5 stages of animal virus

Describe in detail the 5 stages of animal virus life cycles. Be able to differentiate between biogensis stages of the different types of animal viruses.

Chris   2093   1 Reply

bio_man

viral tranmission

viral tranmission

Describe the routes of viral transmission and give an example of each.

Chris   666   1 Reply

star

acute viral infection

acute viral infection

Describe an acute viral infection and the different types of persistent and latent viral infections, giving examples of viruses that follow each pattern.

Chris   1610   2 Replies

bio_man

Animal virus

Animal virus

Various effects of animal viruses on the cells they infect.

JOJO   928   1 Reply

bio_man

Phagocytes

Phagocytes

Name 2 major classes of phagocytes, know which cells are circulating and which are in tissue, and know the precursor cell to tissue phagocytes.

JOJO   676   1 Reply

bio_man

Know the reproductive structures that are haploid and those that are diploid.

Know the reproductive structures that are haploid and those that are diploid.

23. Know the reproductive structures that are haploid and those that are diploid.

mark1532   812   3 Replies

bio_man

Just one question!

Just one question!

Why is it difficult or impossible to date fossils using isotope ratio methods?

Polymorphism   570   1 Reply

bio_man

effect animal cells

effect animal cells

Various effects of animal viruses on the cells they infect?

Chris   498   1 Reply

bio_man

Why is it necessary to make new primary cultures of normal cells while growing phage?

Why is it necessary to make new primary cultures of normal cells while growing phage?

why is it necessary to make new primary cultures of normal cells while growing phage?

Chris   918   N/A

Chris

Viral Life Cycles:

Viral Life Cycles:

Viral Life Cycles: describe in detail the life cycle of bacteriophage ds DNA viruses (active/lytic infections), bacteriophage latent/lysogenic infections, Retrovirus

Chris   1584   4 Replies

bio_man

Cytokines

Cytokines

List the different classes of cytokines and give the main function of each class.

JOJO   644   1 Reply

bio_man

skin

skin

Give 3 antimicrobial chemicals/enzymes found in skin

JOJO   726   1 Reply

bio_man

B cells

B cells

Describe B cell activation and the antibody response

Brii   746   1 Reply

bio_man

T cells

T cells

Describe the major ways that T cells differ from B cells in antigen recognition.

Brii   704   1 Reply

bio_man

innate immunity

innate immunity

List and describe the 5 aspects of innate immunity

Chris   969   1 Reply

bio_man

complement cascade

complement cascade

Give 3 antimicrobial chemicals/enzymes found in skin.
Give 2 functions for the complement cascade

Brii   1355   3 Replies

bio_man

opsonization

opsonization

Describe 2 molecules that participate in opsonization of pathogens and the role of opsonization

JOJO   611   1 Reply

bio_man

FEVER

FEVER

Name 2 chemokines that cause fever.

JOJO   663   1 Reply

bio_man

T cell/ B cell

T cell/ B cell

How do T cells aid B cell antibody production?

Chris   627   1 Reply

bio_man

A person with two X chromosomes and one Y chromosome would appear to be _________________.

A person with two X chromosomes and one Y chromosome would appear to be _________________.

Here is more Biology homework that I could really use help with. I appreciate all of the help I have been given in this class so far. I wish that I had a firm enough grasp of Biology to help others with their questions, but I am afraid that to try an

Matty0132   870   1 Reply

bio_man

Humoral immunity

Humoral immunity

compare and contrast humoral immunity and cell mediated immunity

Chris   1028   1 Reply

bio_man

help please

help please

1. 
    Which of the following drugs are mismatched to their mode of action?

 a. Griseofulvin – blocks microtubule assembly
 b. imidizole, triazole, & allylamines – inhibition of ergosterol synthesis (plasma m

biosen   2404   1 Reply

bio_man

Vaccines

Vaccines

Give pros and cons of live attentuated and inactivated whole agent vaccines

Chris   910   1 Reply

bio_man

which is true?

which is true?

1. natural selection never favors selfishness
2. the more polygenic a trait is the more discontinuous its distribution becomes.
3. homology is good evidence that selection works with existing alternatives..
4. artificial selection is i

jovi_kanobi   974   3 Replies

bio_man