Sweat is an effective way to cool our bodies because it has a low specific heat, meaning it absorbs and releases heat quicker than other materials. The salt in sweat also helps the body cool down by absorbing heat energy and releasing it into the environment.
What is Heat Energy?Heat energy is energy that is created from the movement of molecules. It is also known as thermal energy and is a form of kinetic energy. Heat energy is generated from the motion of atoms and molecules. Heat energy is released from sources such as the Sun, from burning fuels, and from electricity. Heat energy is used to keep our homes warm and to cook food. Heat energy can also be used to generate electricity. In addition, heat energy is used in the production of everyday items such as steel and glass.
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starting in the vena, list the chambers and blood vessels in order that blood passes through them until it reaches the aorta
Answer:
Blood flows from the right atrium into the right ventricle through the open tricuspid valve, and from the left atrium into the left ventricle through the open mitral valve
If you profoundly restricted the supply of oxygen to the mitochondrion, would the electron transport complex iv become stuck in the reduced state, become stuck in the oxidized state, or stay in the same redox balance as before?.
If you profoundly restricted the supply of oxygen to the mitochondrion, then the electron transport complex iv becomes : stuck in the reduced state.
What is electron transport complex-IV ?Complex-IV is a cytochrome c oxidase enzyme which consists of cytochrome-a, cytochrome-a3 and copper ions as prosthetic groups. Complex IV catalyzes the final step in the mitochondrial electron transport chain and is one of the important regulators of oxidative phosphorylation.
Complex IV of the electron transport chain is a multiunit structure that functions to transfer electrons form cytochrome c to oxygen and in that process forms water and helps in generating a proton gradient.
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which statement is true about malignant tumors?
Cells in malignant tumors grow out of control and disperse locally and/or to distant places. Cancerous tumors are malignant tumors. They spread to distant areas via the circulation or the lymphatic system.
Which of the following describes a malignant tumor's traits?Thus, more rapid growth in size is one of the traits of malignant neoplasms. Anaplasia, or a lack of differentiation, is characterized by a propensity to infiltrate neighboring tissues.
What kind of tumor is malignant, for instance?Bone cancer (osteosarcoma and chordomas). brain malignancies like astrocytoma and glioblastoma. Sarcomas and malignant soft tissue tumors. organ cancers like pancreatic and lung cancer.
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True or false? the 1964 Alaskan tsunami was caused by underwater landslides created by a strong earthquake.
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if an individual is heterozygous for a reciprocal translocation, what percent of their meiotic products will result in nonviable gametes?
If an individual is heterozygous for a reciprocal translocation, approximately 50% of their meiotic products will result in nonviable gametes.
Reciprocal translocation is a chromosomal abnormality where two non-homologous chromosomes exchange fragments. In a heterozygous individual with a reciprocal translocation, one copy of each chromosome has a translocation. During meiosis, the homologous chromosomes can form a cross-like structure called a quadrivalent, which can lead to unequal segregation of chromosomes and the formation of gametes with imbalanced chromosomal content.
Approximately 50% of meiotic products from a heterozygous individual with a reciprocal translocation are expected to be nonviable, due to imbalanced chromosome content. This can result in developmental abnormalities or miscarriages if a fertilized egg with imbalanced chromosomal content survives.
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Help if you can no links please
What happens at a cell cycle checkpoint?
Answer:
If the checkpoint mechanisms detect problems with the DNA, the cell cycle is halted, and the cell attempts to either complete DNA replication or repair the damaged DNA. If the damage is irreparable, the cell may undergo apoptosis, or programmed cell death 2.
Explanation:
Which distance is the greatest
A. The distance across the Milky Way galaxy.
B. The distance to the nearest star
C. The distance across the solar system.
D. The distance to the nearest galaxy.
Answer:
i am gonna say d or c
Explanation:
The answer is d.
Give me brainiest please.
what are the studying of these branch of biology , parasitology, physiology, palentology and pharmacology
The studies of these branch of biology , parasitology, physiology, paleontology and pharmacology are called subdisciplines of biology.
What is parasitology?Parasitology is described as the study of parasites, their hosts, and the relationship between them.
The four branches of Parasitology are:
Animal parasites are the focus of veterinary parasitology.
structural parasitology is the study of parasite protein structures.
The quantitative investigation of parasitism in a host population is known as quantitative parasitology.
The field of parasite ecology investigates how parasites affect the environment.
In conclusion, these terms indicate specialist knowledge and study within each individual subject and describe the particular areas of expertise within biology.
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Humans are _________, we cannot make our own food
Answer:
Consumers
Explanation:
Humans are consumers because we only get nutrients from other organisms such as plants (producers) or animals (also consumers)
Only Producers make their own food.
Hope this helps!
Convergent evolution produces similar features in different organisms as the result of
homologous structures
sharing a common ancestor
artificial selection
similar environment & natural selection
Which of the following processes removes oxygen from the atmosphere?
what factors are responsible for increasing the size of a population?
Answer:
Economic development
Explanation:
Select the correct answer from each drop-down menu.
Minerals are micronutrients required by the body for various key functions. The mineral BLANK
is required to carry oxygen in the
blood to all body tissues, and BLANK is a rich source of this mineral.
The mineral options:
Calcium
Iron
Sodium
The second blank:
Vegetable oil
Red meat
Milk
Marine life uniquely relies on water for its habitat. which property of water most supports the temperature of marine environments underneath ice?
The property of water most supports the temperature of marine environments underneath ice is the high specific heat capacity of water.
What is specific heat capacity?The term specific heat capacity refers to the temperature that is required to raise the temperature of 1 g of a substances by 1K. we know that water has a high specific heat capacity hence it is neither heated nor cools rapidly.
It the follows that, the property of water most supports the temperature of marine environments underneath ice is the high specific heat capacity of water.
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MULTIPLE ALLELES INHERITANCE-BLOOD TYPES
Is it possible for a mom who is IaIa and a Dad who is IbIb have a child who is type B ?
Answer:
No
Explanation:
A person having blood type B has either of the two genotypes
IbIb
OR
OIb
O represents the blood group B
The genotype of two parents is IaIa and IbIb
Gametes of IaIa are Ia, Ia
Gametes of IbIb are Ib, Ib
IaIa * IbIb
IaIb, IaIb, IaIb, IaIb
All the offspring have genotype AB
Hence two homozygous parents for Blood type A and B will not have any offspring with blood type B
Use the food web below. Which of the following would be an example of a producer?
Question 1 options:
Termite
Acacia Tree
Tawny Eagle
Grasshopper
What is a degenerate (or pathological) tree?
A degenerate or pathological tree is a tree that is unhealthy and has been affected by a pathogen or disease.
What is a degenerate tree?
A degenerate (or pathological) tree is a tree that is structurally compromised, unhealthy, or damaged, often due to the presence of pathogens, improper fertilization, or other external factors. Pathogens are harmful microorganisms, such as bacteria or fungi, that can infect and cause diseases in trees.
Fertilizer provides essential nutrients for tree growth and health; however, improper application can lead to imbalances and contribute to the degeneration of the tree. A degenerate tree may exhibit stunted growth, decay, or a weakened structure, making it more susceptible to pests and environmental stressors.
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Which examples show how DNA technology has been used in medicine?
The hormone testosterone can be produced through genetic engineering.
Pacemakers can help to regulate heartbeats.
Antibiotics like amoxicillin are available all over the world.
Crops can be grown with less water available.
Vaccines can be mass produced from transgenic bacteria.
DONE
Answer:
A, C and E
Explanation:
Genetic Engineering is the process which involves the manipulation of genetic material of an organism to get beneficial traits.
Genetic engineering can be used in the field of medicine to produces hormones( insulin), vaccines, and antibiotics (amoxicillin) et cetera. These substances can be produced in genetically engineered microorganisms by altering their genetic material.
25 POINTS!! i keep getting bots this is the last time someone actually answer please
A normal body cell of a coyote has 78 chromosomes in its nucleus. What are the diploid (2N) and haploid (N) numbers of the coyote? How many chromosomes would be in each coyote gamete?
Answer:
39, 78 I think I'm so sorry if I'm wrong
The the diploid (2N) have 78 chromosomes and haploid (N) will have 39 chromosomes in the coyote.
What is diploid and haploid?A cell with a single set of chromosomes is referred to as haploid. The term haploid can also refer to the number of chromosomes in gametes, which are egg or sperm cells.
A diploid cell is one that has two copies of each chromosome. Each chromosome is carried by nearly all cells in the human body in two homologous, or similar, copies.
The only exception are germ line cells, which produce gametes, or egg and sperm cells.
A normal coyote body cell has 78 chromosomes in its nucleus, a diploid (2N) has 78 chromosomes, and a haploid (N) has 39 chromosomes.
Thus, the chromosomes in each coyote gamete will be 78 in diploid cell and 39 in haploid cell.
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Compare the results of the Unknown Explain the identity of the Unknown using your experimental results in the exercises to help explain and support your answer.
Question
The question is incomplete. The complete question is as follows:
Review the Data Tables in Exercises 1 and 2. Compare the results of the Unknown for all tests to the results for the various known samples to determine the identity of the Unknown. Explain the identity of the Unknown using your experiment results in the exercises to help explain and support your answer.
Answer:
According to the results, the unknown is a protein.
Explanation:
According to the results, the unknown is a protein, not a carbohydrate or lipid. When Biuret's reagent test is performed, it tested positive while the tests for sugar, starch, and lipid were negative proving that the unknown substance is the protien.
what ploidy level are sperm cells in the fern lifecycle, and in which structure are they formed?
As per the effects of mitosis, the fern sperm cells are in the 1n ploidy level.
The ploidy level of a cell makes reference to the number of chromosomes present in a cell during and after cellular division. When a cell has pairs of chromosomes it is considered to be diploid and is represented by the level of 2n. When, like in this case, the chromosomes are singular, it is haploid (1n).
Sperm is produced inside of the gametophyte of the fern. Specifically within a structure known as the antheridium. On the other hand, the egg production takes place within the archegonium.
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The diagram below illustrates changes over time in a population of foxes in the
wild.
What process is illustrated in the diagram?
extinction
overproduction
natural selection
artificial selection
which correctly pairs a stage of arthropod metamorphosis with its most significant change at that stage?
The given stage of arthropod metamorphosis that correctly pairs with its most significant change at that stage is Pupa; body structures of the larva are broken down and reassembled.
Metamorphosis is a biological process that transforms a juvenile form into an adult form in a number of animals. The term is commonly used for insect development, in which the immature form, such as a caterpillar, transforms into a winged adult. Arthropod metamorphosis has three stages, each of which is characterized by different physiological processes and physical changes, depending on the species of arthropod.
The stages are as follows: egg, larva, pupa, adult. Let's see the correct pairing of a stage of arthropod metamorphosis with its most significant change at that stage: Pupa, body structures of the larva are broken down and reassembled. In this stage, the larval structures are broken down, and the adult structures are rebuilt, such as the wings and legs. During this stage, most arthropod larvae will undergo massive body reorganization, changing from a worm-like form to a more adult-like form with legs and wings.
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T/F single-cell rna sequencing reveals heterogeneous tumor and immune cell populations in early-stage lung adenocarcinomas harboring egfr mutations
True- Lung adenocarcinoma (LUAD) harboring EGFR mutations prevails in Asian population.
At single-cell resolution, the heterogeneity between patients and within tumors hasn't been addressed. In this study, we used 125,674 cells from seven stage-I/II LUAD cases with EGFR mutations and five lung tissues around the tumor to perform single-cell RNA sequencing (Sc RNA-seq). We discovered a variety of cell types in the tumor microenvironment (TME), but the most prevalent stromal cell types in lung tumors and surrounding tissues were myeloid cells and T cells.
Tumor-associated macrophages (TAMs) demonstrated pro-tumoral behaviors within tumors, accompanied by an increase in CD1C+ dendritic cells, but lacked identified M1 or M2 polarization hallmark gene expression. T cells that have invaded tumors predominantly exhibited regulatory and exhausted T-cell characteristics. Based on their gene expression profiles in several pathways such hypoxia, glycolysis, cell metabolism, translation initiation, cell cycle, and antigen presentation, adenocarcinoma cells may be divided into many subtypes.
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which best describes a g a m e t e
Answer:
A Gamete contains only a single (haploid) a set of chromosomes.
Explanation:
Because the two common gametes are sperm and ova
Select the soil-free ingredients that are fully non-organic in origin.
expanded clay
perlite
mineral wool
diatomite
peat
sand
bark
vermiculite
Answer:sand mineral wool bark diatomite expanded clay
Explanation:
2. What is the role of mutation in cancer?
Explanation:
repair damaged DNA allow cells to grow and divide to form a tumor
What are the factors that affect the climate
Answer:
They are:
Distance from equator
altitude and slope
distance from sea
Answer:
Explanation:
many factors affect the climate example:
1. human need of lumber
2. wild fires
3. fossil fuels
4. farming livestock
All atoms are vibrating (moving) which means they have kinetic energy.
O True
O False