Cell Biology

A year ago

Scar tissue normal?

Are there parts of the body that grow scar tissue by default? Not like because of an injury, but because that is simply the tissue type it uses?

CarbonRobot 210 4 Replies

CarbonRobot

A year ago

What makes the hollow part in a blastula?

Hey guys.
I am trying to do a bit of a Google search around as to what actually forms the hollow part of a blastula.
My understanding is a morula is not hollow, and then something happens where it is hollow.
I feel like I've al

Naithi O_Rea 182 3 Replies

A year ago

Home work questions

are these answers right?

Anonymous 153 1 Reply

Anonymous

A year ago

Which of the following are true about bacterial DNA replication compared to DNA replication in ...

Is this correct?

Question 2
1 pts
Which of the following are true about bacterial DNA replication compared to
DNA replication in humans (eukaryotes)
(select all that apply)
D DNA sequence where replication ini

Anonymous 179 1 Reply

Anonymous

A year ago

How many types of tissue?

How many types of human tissue are there? I know 4 general types, but I assume there must be 1000s at the more specific levels?

CarbonRobot 251 8 Replies

A year ago

Bacteroides and Escherichia are both gram-negative rods found in the large intes

Bacteroides and Escherichia are both gram-negative rods found in the large intestine. Why are they in different phyla?

barry 5068 1 Reply

A year ago

Provide an explanation for the complex life cycles exhibited by parasitic helmin

Provide an explanation for the complex life cycles exhibited by parasitic helminths. Cite specific examples in your discussion.

barry 3211 1 Reply

A year ago

Creating Gamete cells in lab.

I think I read maybe a decade ago that they were trying to see if it might be possible to turn other cell types into gamete cells to help people overcome fertility issues. Has any progress been made?

CarbonRobot 236 3 Replies

A year ago

Cellular energy and performance?

Is there any correlation between a cell's energy usage and its best performance? Perhaps it will accomplish cell death better with higher energy levels versus sticking around when sickly? Otherwise live and do its job better with fewer compromis

CarbonRobot 173 N/A

CarbonRobot

A year ago

Evolution is fastest when

I think the answer is a. Please can someone check this? thank you!!

twinkle star 284 6 Replies

twinkle star

A year ago

Algae and plants

for this question, my answer is a. Please can someone check if I am right? thanks!

twinkle star 208 2 Replies

twinkle star

A year ago

what is the 5 step process to identify the path a secretory protein follows form synthesis to secretion?

the choices are....
1. endoplasmic reticulum
2. lysosome
3.plasma membrane
4. trans golgi cisternae
5. cis golgi cisternae
6. medial golgi cisternae
7.peroxisome

just use 5 of them.

mickabra 2545 1 Reply

A year ago

Which concentration of ammonium sulfate works best to separate phosphatase from other proteins?

nursinglife 606 1 Reply

A year ago

Cells that behave younger than they are?

Just in general what is wrong with older cells behaving young again? I was talking to an epigenetics expert (I assume) about how Yamanaka factors may make cells behave young again and cause some regenerations to occur. I suppose overactive cells with

CarbonRobot 203 5 Replies

A year ago

Something about synthetic biology and if there's any advice

Lactose intolerance has prevailed in China for a long history. It is generally believed that more than half of the people in China are troubled by this problem. Some studies even believe that 100% of Asians have some degree of lactose intolerance. Th

Lxikkyu 123 1 Reply

Anonymous

A year ago

Shorten cell life deliberately?

Is there a way to make cells more prone to programmed cell death after receiving DNA damage? Basically keeping the person's DNA more pure and free of errors for longer?

CarbonRobot 138 1 Reply

A year ago

Action potential and neurotransmisor codification

I have learnt that an action potential can be produced by the reception of a neurotransmisor. Is there a direct relationship between an action potential and the release of a concrete neurotransmisor? (for example "this level of voltage leads to

loluislo 193 3 Replies

A year ago

Are there consumer senolytics that are FDA approved?

Are there consumer senolytics that are FDA approved? I am worried age research is moving too slow.

CarbonRobot 257 5 Replies

A year ago

Very rough estimate of the ATP synthase enzyme number in a typical mitochondrion

Hi,

I realise there is no single answer for this due to the heterogenous nature of mitochondria. The only direct reference I've been able to find was from a researchgate question, which was answered by Barry John Bowman, University of

Dave6 193 4 Replies

Dave6

A year ago

Types of cancer and typical treatments?

I was wondering what treatments are used depending on the type and stage of cancer? Is chemo therapy the go to for nearly everything? Or do they really push the treatments that don't cause further DNA damage first?

CarbonRobot 504 13 Replies

A year ago

Is the electrical pulse in Somatic Cell Nuclear Transfer used to fuse the cells?

Or is it to initiate division?

tlipman 1320 2 Replies

Semantha Lorez

A year ago

What is a cell?

helpo me olease

zoegray1 265 3 Replies

Semantha Lorez

A year ago

Cancer ever really cured?

When a person has had cancer do they ever get cured of it, or do they always simply go into "remission?"

I learned recently that a now 48 year old man gets checked for skin cancer every month or so since they had skin cancer as a

CarbonRobot 174 1 Reply

Semantha Lorez

A year ago

Are cells at lower cancer risk when specialized?

Do cells become more immune to cancer when they specialize or is the risk the same when they are still stem cells but the same age?

CarbonRobot 342 7 Replies

A year ago

Stem Cell therapy.

How are stem cells created for stem cell therapies? Are they made from the particular DNA code of the particular patient that is to receive them and simply cloned many times, or can they be made generically?

CarbonRobot 322 9 Replies

A year ago

Let hot food cool down or bring a lunch bag?

I'm planning on purchasing hot food to be eaten within 2 hrs. My main concern is microbes, but I'm also wondering about degradation, the latter about loss of flavor & texture. I have lunch bags that I could bring in case it's bette

DynV 324 7 Replies

A year ago

Which is the result of meiosis?

After the second meiotic division, the following occur:
a) 4 functional egg cell
b) one functional egg cell nd three polocytes
c) one functional sperm
d) three polar bodies and one functional sperm
e) three egg cell and one p

Dzano 172 1 Reply

A year ago

Mitosis and meiosis

If 2n = 28, how many DNA molecules does a cell have in the prophase of mitosis, the metaphase of meiosis one, the prophase of meiosis two and the metaphase of meiosis two?

Dzano 221 3 Replies

A year ago

Does dasatinib damage DNA further?

Does dasatinib damage DNA further or does it just kill off cancer cells and cells whose DNA has been damaged?

CarbonRobot 167 1 Reply

A year ago

How to correctly subculture a colony in liquid medium

Dear all,

I've obtained a freeze-dried sample of Komagataeibacter xylinus from DSMZ (German equivalent of ATCC). According to the provided instructions, I will revive the culture in 1000ml of liquid medium. The colony will stay

Pono 170 1 Reply

alpheratz

A year ago

If human CD8T cell was injected intravenously into someone could it destroy their orexin receptors?

It seemed to have worked in mice.

It seems like CDT worked its way into the mouse’s brain and destroyed the orexin receptors. Could this happen in humans too? Destruction of orexin receptors is what is believed to cause narcolepsy.

Kait Limberg 209 3 Replies

A year ago

Hypothetical! What would occur if HIV were introduced to a patient with leukemia?

Do expect one to overhwelm the other? Compound issues? Balance one another?

Nathan Niezgoda 152 1 Reply

2 years ago

Does anyone know of any lab-created transmisible auto immune disorders?

Auto immune disorders can arise following stress or exposure to harmful material, so has there been any research into manmade autoimmune disorders?

Nathan Niezgoda 165 1 Reply