When crossing over take places chromsomes
A.
Decrease in number
B. Produce new genes
C. mutate in the first division D. exchange segment of DNA
Answer: D
Explanation:
Crossing over refers to homologous chrosmomes exchanging DNA which creates variation of chromsoomes that are inheried by offspring.
The image on the left shows a normal red blood cell, and the image on the right shows a cell that has been put into a new solution. The circles represent the salt in the solutions.
Which statement describes the motion of the water molecules in this situation?
The water molecules move by active transport into the cell from low water concentration to high water concentration.
The water molecules move by osmosis into the cell from low water concentration to high water concentration.
The water molecules move by osmosis into the cell from high water concentration to low water concentration.
The water molecules move by active transport into the cell from high water concentration to low water concentration.
The water molecules move by osmosis into the cell from high water concentration to low water concentration.
What is the sugar found in DNA that makes up the sugar-phosphate backbone of the double helix?
Answer:
deoxyribose
Explanation:
A phosphate backbone is the portion of the DNA double helix that provides structural support to the molecule. DNA consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.
I hope that this helped you ;)
Please answer these questions but if u don’t know the answer then don’t say anything pleaseeee help!!!thank u.
In order:
electrons
electrons
protons
4
3
3
The amount electrons and protons balance out their charges, leading the charge to be 0
This answer depends on what you learned in class:
They discovered the presence of neutrons after experimenting.
or
They realized that these neutrons had to exist to make a stable nuclei and balance out the mass.
(both answers are correct, so you can combine them if you want)
Heyyyyyy I NEED HELP ASAP IVE BEEN DOING WORK ALOT ALL WEEK IM SO TIRED CAN SOMEONE JUST FINISH THSES THREE PAGES!!!!! ill give yall my 163 points :)
Answer:
Hmmm.....firstly it depends which grade ur in....well in general I am ready
What are the answers? plzz help
All the following are abiotic factors except
A.Fungi
B. Bacteria
C. Plants
D.tomato
Answer: tomato is not a adiotic
Explanation:
suggest the name of an enzyme used by maggots to digest bacteria
Answer:
the name of the enzymes that maggots use is "proteolytic enzymes"
Explanation:
Iuteus. In addition to the antibacterial substances, maggots also posses diverse proteolytic enzymes, which are capable of digesting Bacteria
PLEASE ANSWER I NEED HELP I DONT WANNA TAKE BIO AGAIN
how does the operator region of dna work to regulate gene expression?.
Answer:The promoter is found in the DNA of the operon, upstream of (before) the genes. ... Some regulatory proteins are repressors that bind to pieces of DNA called operators. When bound to its operator, a repressor reduces transcription (e.g., by blocking RNA polymerase from moving forward on the DNA).
Explanation:
is it close to the end of the world
Answer:
i think so because of co
vid-19
Answer:
Yes it is. I know this because it talks about the last day's in the bible.
"But know this, that in the last days critical times hard to deal with will be here. For men will be lovers of themselves, lovers of money, boastful, haughty, blasphemers, disobedient to parents, unthankful, disloyal, having no natural affection, not open to any agreement, slanderers, without self-control, fierce, without love of goodness, betrayers, headstrong, puffed up with pride, lovers of pleasures rather than lovers of God, having an appearance of godliness but proving false to its power; and from these turn away."
-2 Timothy 3:1-5
Explanation:
HELP ASAP! I WILL GIVE 50 POINTS AND BRAINLIEST
Phenotypic similarity does not always reflect evolutionary relationships due to:
Check all that apply
Are the answers B and C?
A) variation in rates of evolutionary change among species
B) homoplasy
C) convergent evolution
D) outgrouping
6.) the process by which large molecules are expelled from a cell
Answer:
b
Explanation:
PLEASE HELP!!
Which sector creates the most fossil fuel emissions?
agriculture
transportation
electricity generation
industry
Answer:
Transportation
Explanation:
...............
A type of cell division that results in diploid cells:
meiosis or mitosis
A type of cell division that results in haploid cells.
meiosis or mitosis
Answer:
the first one is mitosis
and the second one is meiosis
Answer:
Diploid cells: Mitosis
Haploid Cells: Meiosis
Carbon can be stored in the ocean as _.
A. "locking" carbon
B. carbonic acid
C. calcium carbonate
Answer:
Carbon can be stored in the ocean as carbon acid
A break in the earths crust where slabs of crust slip past each other is called
A. Plate tectonic
B. lithosphere
C. Continental drift
D. Volcano
Answer:
They should have fault for an answer choice because that the correct anwser
but the close thing to is a plate tectonic you should ask your teacher about this question
Explanation:
We added 30 N of force to the right side of the box. What is the net force acting on the box
Someone answer these 2 pls
How does homologous recombination (crossing over) increase genetic variation?
Answer:the third one
Explanation:i have done this
Which three terms relate to sexual reproduction but not to asexual reproduction?
A. Sperm
B. Mitosis
C. Gametes
D. Meiosis
Answer:
I believe its A, C, and D
Explanation:
Can someone please help me with #22 I would appreciate it.
Thanks
Answer:
Glycolysis occurs in the Cytoplasm
Electron Transport Chain occurs in the Mitchondria
Krebs Cycle also occurs in the mitchondria
Explanation:
Glycolysis is the first step in the breakdown of glucose to extract energy for cellular metabolism. Nearly all living organisms carry out glycolysis as part of their metabolism. The process does not use oxygen and is therefore anaerobic. Glycolysis takes place in the cytoplasm of both prokaryotic and eukaryotic cells.
The electron transport chain is the last stage of the respiration pathway. It is the stage that produces the most ATP molecules. The electron transport chain is a collection of carrier proteins found on the inner membrane of mitochondria. NADH hydrogen ions and electrons into the transport chain.
The Krebs cycle happens only within the mitochondrial matrix. Pyruvate is formed in the cytosol of the cell, then imported into the mitochondria.
(Credits to websites)
What does listening to sound that is very loud 82dB or higher for extended periods of time do to your ear?
Answer:
It ruins your hearing a bit.
Explanation:
Your hearing gets ruined by the loud beats coming from the sound, making your ear drums bounce and hurt a bit, making your hearing weaker
NY Hebor video. Summary opinion
Answer:
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Explanation:
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Which will cool down faster overnight, the water in the pool or the air above the pool? How do you know
Please help
PLEASE HELP!!
Which sector creates the most fossil fuel emissions?
agriculture
transportation
electricity generation
industry
Answer:
transportation
Explanation:
Transportation (28.2 percent of 2018 greenhouse gas emissions) – The transportation sector generates the largest share of greenhouse gas emissions.
hope this help
Tuesday 3/2/2021 Bellringer There are levels of
cellular organization within multicellular
organisms. Which of the following statements is
true?
A. Tissues are made up of organs,
B. Organs are made up of organisms.
C. Cells are made up of organ systems,
O
D. Organ systems are made up of organs
Turn in
Carbon Cycle Changes Lab
Lesson 12 Earth Science B Unit 4 Earth's Processes Climate Change
Needs to be original.
I can't see the picture soo I don't understand what your question 8s
The bacterial DNA can be found in the
The bacterial DNA can be found in the cytoplasm.
Hope this helps
Which two phrases most likely explain how the rock shown here formed?
Answer: a and b
Explanation: i think this is the answer i hop this is helful
Does anyone have the file for a biology lab. The lab is...
Lab: Blood Typing
Assignment: Lab Report
The name of the class is Biology B-IC
Answer:
are those the answer choice?
Explanation:
three body cells in the human body which is attacked by the plasmodium parasite
Answer:
Skin, Liver and Blood are infected.