Consider how the following behaviors, characteristics, or facts affect the risk for CVD. Determine whether each increases, decreases, or has no effect on the risk for CVD.
a. Having elevated LDL cholesterol levels
b. having reduced HDL cholesterol levels
c. being a premenopausal woman
d. being exposed to secondhand smoke
e. participating in exercise
f. having elevated HDL cholesterol levels.
Answers
Answer:
Explanation:
Having elevated LDL cholesterol levels - this increases the risk for CVD as it also brings about CHD
Having reduced HDL cholesterol levels- this increases the risk of CVD as a low HDL increases omes risk of CVD at lower rates
Being a premenopausal woman - I dont think this has any effect on the risk for CVD
Being exposed to secondhand smoke -
This also increases the risk of stroke associated with CVD
- participating in exercise: this decreases the risk of CVD
Having elevated HDL cholesterol levels - this decreases ones risk of CVD as it helps to clear cholesterol from arteries delivering them back to the lover and reducing the risk for CVD
Related Questions
Please help! I’m stuck on this one :)
Answers
Answer:
Option D is correct ..........
Answer:
It is a compound made of twenty-four total atoms.
If black fur is dominant over white fur, how would heterozygous parents breed a grey fur offspring? (Many Generations can be used)
Answers
In mice, the alleles for white fur (FW) and black fur (FB) co-dominate. When both alleles are present, the mice will then have black or white speckled fur.
What is an example of heterozygosity?You have a genetic mutation for that gene if the two methods differ from one another. For instance, having one gene for red hair or one allele for brown hair could indicate that you are heterozygous for hair color. The expression of certain features is influenced by the interaction between the two alleles.
How do homozygous and heterozygous differ?Each gene has two alleles, or variations, in each of us. When two identical copies of a gene are present, you are said to be homozygous for that gene. It contrasts with a heterozygous genotype, in which the alleles are distinct.
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The water molecule is a polar molecule. A water molecule is polar because
The electrons are shared equally
Oxygen has a stronger attraction for electrons than hydrogen
It is very cold
Hydrogen atoms have a stronger attraction for electrons than oxygen
Answers
The correct answer is: "B. Oxygen has a stronger attraction for electrons than hydrogen."
What are polar molecules?A water molecule is polar because it has a bent shape and an unequal sharing of electrons between the oxygen and hydrogen atoms.
Oxygen has a stronger electronegativity (ability to attract electrons) than hydrogen, which means it attracts the shared electrons in the covalent bond between the two atoms more strongly. As a result, oxygen has a partial negative charge (δ-) and hydrogen has a partial positive charge (δ+).
This separation of charges makes the water molecule polar, with a slightly negative end and a slightly positive end. This polarity allows water molecules to interact with each other through hydrogen bonding and gives water its unique properties, such as its high boiling point, surface tension, and solvent abilities.
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Why can some medicines be absorbed through the skin?
Answers
Answer:
Explanation:
Some medication can be absorbed through the skin as the skin or mucous membranes allow it to enter through the body. Most drug absorbtion occurs between cells by passing through sweat pores and hair follicles, making it transcellular. Thus, topical medication is able to be absorbed through the skin due to pores and hair follicles.
Muscle cells that are worked often in exercise will require more mitochondria. If we use more mitochondria, it will require us to use more carbohydrates to build ATP’s. What if we run out of carbohydrates stored in our body? What macromolecule can we break down and use in cellular respiration?
Group of answer choices
A) sucrose
B) lactose
C) glycogen
D) lipids
Answers
Answer:
Lipids
Explanation:
Succession occurs when environmental factors affecting an ecosystem change
Answers
Succession occurs when environmental factors affecting an ecosystem change are True.
Ecological succession is the method by way of which the mix of species and habitats in an area changes over the years. regularly, these groups replace one another till an environment community like a mature woodland is reached, or till a disturbance, like a fireplace, happens. Ecological succession is an essential idea in ecology. Abiotic elements together with soil excellent, water, and weather will determine the species that retain the method of succession.
Mosses and grasses could be capable of growing inside the newly created soil. throughout early succession plant species like grasses that develop and reproduce quickly will take over the panorama. these changes encompass accumulation of organic is counted in a muddle or humic layer, alteration of soil vitamins, and trade-in pH of soil by plants developing there.it's been determined that once herbal disasters arise, inclusive of floods or fires, the damaged surroundings are possibly to get better in a sequence of successional tiers that subsequently result in a stable gadget similar to the original one that occupied the location.
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Answer:True
Explanation:
took the test
please help! 100 points and brainly! A couple has four children. Their first child has type A blood, the second has type O, the third has type AB blood and the fourth has type B. What are the genotypes of the parents?
Answers
The genotypes of the parents would be:
Parent 1: AA
Parent 2: AO
To determine the genotypes of the parents in this scenario, we can use the information about the blood types of their children and the inheritance patterns of blood types.
From the given information:
Child 1: Type A blood (genotype could be AA or AO)
Child 2: Type O blood (genotype must be OO)
Child 3: Type AB blood (genotype must be AB)
Child 4: Type B blood (genotype could be BB or BO)
Based on this, we can deduce the genotypes of the parents as follows:
Since child 1 has type A blood, the parents must have at least one A allele each. Therefore, one parent could have genotype AA (two A alleles) and the other parent could have genotype AO (one A allele and one O allele).
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Organism made up of only one cell, like a paramecium or an amoeba ?
Answers
Answer:
amoeba made up one of the only cells.
Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
Answers
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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what makes you believe that the vegetation has been grown by farmers and has not grown naturally by itself over time
Answers
Organized patterns, irrigation systems, specific crop varieties, and agricultural practices indicate human intervention in vegetation growth, suggesting farming activity.
Determining whether vegetation has been grown by farmers or has grown naturally over time can be assessed by considering various factors. Firstly, the presence of organized patterns or rows of crops suggests intentional cultivation by farmers. The use of irrigation systems, terraces, or other agricultural infrastructure further supports human intervention. Additionally, the selection of specific crop varieties or the presence of non-native plant species may indicate deliberate cultivation. Observation of crop rotation, weeding, and fertilization practices can also provide evidence of human involvement. Historical records or local knowledge of agricultural practices in the area can provide further context. Conversely, natural vegetation tends to exhibit a more random distribution and includes a diverse range of native plant species. Considering these factors collectively can help differentiate between vegetation that has been grown by farmers and vegetation that has naturally grown over time.For more such questions on Vegetation:
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Why does a soild changes to liquid when heat is added
Answers
Answer:
Explanation:
When a solid is heated the particles started to vibrate faster and when it vibrate faster the outer layer breaks down and change into liquid.So,a solid change into liquid when heat is added.
Hope it helps you:)
There are more genera (plural of genus) than kingdoms.
true or false
Answers
Answer:
true
Explanation:
to be certified as organic, foods must be produced and handled under strict guidelines that limit the use of which of the following? (choose every correct answer.)- hormones.
- genetic engineering.
- antibiotics.
- nonorganic ingredients.
- employees.
- compost.
- pesticides.
Answers
To be certified as organic, foods must be produced and handled under strict guidelines that limit the use of hormones, genetic engineering, antibiotics, and pesticides.
The organic agricultural product which is intended for human consumption have to be certified. There are some rules before selling the organic product. The labeling of organic product must display the exact percentage of organic content.
For example, products labeled “organic” must contain at least 95% organically produced ingredients (excluding water and salt), and the items that aren't organic must be from a USDA list of approved additional ingredients.
According to the USDA National Organic Program (NOP) in the United States, organic products which have these labels must be grown, handled and processed by concerning some rules. Materials or methods that not permitted in organic farming include synthetic fertilizers, synthetic pesticides, radiation to preserve food, applying genetic technology, antibiotic and growth hormones for livestock.
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Explain the rock cycle in 10 sentences
Answers
When rocks are exposed to high temperatures and pressure can be changed physically or chemically called metamorphic rock.
when rocks are exposed to the atmosphere are variably unstable and subject to the presses of weathering and erosion.weathering and erosion break down the original rock down into smaller fragments and carry away or devolve the material. These fragmented material accumulates and is bared by additional material While an individual grain of sand is still a member of the class of rock it was formed from, a rock made up of such grains fused together is sedimentary.
My source is Wikipedia
Hope this is good enough!
GATTACA
The nucleotide base sequence that complements the section of DNA modeled above is?
Answers
Answer:
CTAATGT
Explanation:
C to G
G to C
A to T
T to A
The most fundamental understanding of a gene or genome is its nucleotide sequence.Therefore, the complementing sequence would be CTAATGT.
What do you understand by nucleotide sequence ?The order of the nucleotides composing the alleles within a DNA or RNA molecule is indicated by a series of bases denoted by a set of five different letters, which is known as a nucleic acid sequence. Sequences are often presented according to convention from the 5' end to the 3' end. The sense strand is used for DNA.
Complementary sequence refers to a sequence of bases in a nucleic acid that can create a double-stranded structure by matching base pairs. Adenine and thymine form a double bond, while guanine and cytosine form a triple bond. As a result, adenine and thymine and cytosine and guanine are complimentary base pairs. The DNA strand 5' ATCGAACGT 3' has a complimentary sequence of 3' TAGCTTGCA 5'.
Therefore, the nucleotide base sequence hat complements the section of DNA modeled above is CTAATGT.
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All citizens of a small town vote on all town laws and ordinances. What type of government is this ?
Answers
What is a phenotypic variation?
Answers
Answer:
Mendel worked with pea plants showing complete dominance for various characteristics
- E.g. flower color, plants either have purple flowers or white flowers
- A particular genotype produces a recognizable phenotype
Explanation:
Phenotypes can cause by genes, environmental factors, or a combination of both.
Phenotypic variation, then, is the variability in phenotypes that exists in a population. For example, all people come in different shapes and sizes: height, weight, and body shape are phenotypes that vary.
Is the same kind of soil used for all the plants in nurseries
Answers
Answer:
A good soil for nurseries is the correct mixture of sand, clay and organic matter. Top soil from a forest is usually a good soil. To see if a soil is good try and roll it into a pencil sized roll. (The soil should be damp but not wet.)
Explanation:
if it helped uh please mark me a brainliest :))Why is protein folding important in the search for cures to diseases such as cancer and HIV/AIDS?
Answers
Answer:Protein misfolding is detrimental as it results in a loss of native protein function and can lead to a toxic gain of function due to aggregation
Explanation:
Plants can reproduce both sexually and asexually. What are some examples of sexual reproduction in plants? Select ALL that apply. Responses
Answers
Sexual reproduction in plants involves the fusion of male and female gametes to produce offspring with genetic diversity.
Mechanisms that facilitate sexual reproduction in plants are examples:
1)Pollination and Fertilization: Many plants rely on pollinators, such as bees, butterflies, or birds, to transfer pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of flowers.
This process enables the fusion of sperm cells within the pollen with egg cells in the ovules, leading to fertilization.
Examples include flowering plants like roses, sunflowers, and apple trees.
2)Seed Production: After fertilization, the ovule develops into a seed. Seeds contain an embryo, formed by the fertilized egg, enclosed within a protective seed coat.
The mature seeds can disperse and germinate to give rise to new plants.
Various plant groups, including angiosperms (flowering plants) and gymnosperms (conifers and cycads), reproduce sexually through seed production.
3)Alternation of Generations: In plants with a complex life cycle, such as ferns, mosses, and liverworts, sexual reproduction involves an alternation between two distinct generations: the gametophyte and the sporophyte.
The gametophyte generation produces gametes (sperm and eggs) through specialized structures, while the fusion of gametes gives rise to the sporophyte generation, which produces spores.
4)Self-fertilization: Some plants have the ability to self-fertilize, where the pollen from the anther of a flower is transferred to the stigma of the same flower or another flower on the same plant.
This allows for sexual reproduction without the need for external pollinators. Self-fertilization can be seen in plants like tomatoes, peas, and certain grass species.
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Please answer this question :)
Answers
Answer:
heterozgous recessive.
Explanation:
Three circuit diagrams are shown. Which statement about the circuit
diagrams is accurate?
Circuit A Circuit B Circuit C
A. Circuits A, B, and C are all series circuits.
OB. Circuits A and C are series circuits, and circuit B is a parallel
circuit.
C. Circuits A and B are series circuits, and circuit C is a parallel
circuit.
OD. Circuit A is a series circuit, and circuits B and C are parallel
circuits.
Answers
From the diagram, circuit a and b are series circuit while c is parallel. Option C
What is a parallel and series circuit?
The components in a parallel circuit are linked together so that the electric current can go along several different routes. The power source is directly connected to each component, forming parallel branches. While the current in a parallel circuit can vary, the voltage between each component is constant.
The components of a series circuit are connected one after the other to create a single path for the passage of electricity. While the voltage across each component can change, the current flowing through each component is constant.
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Every organism has a unique ecosystem in which it lives. This ecosystem is its natural habitat. This is where the basic needs of the organism to survive are met: food, water, shelter and a place to breed. All organisms need to adapt to their habitat to be able to survive. Animals and plants with adaptations that make them better suited for the environment will survive and reproduce better than those less suited for the environment. What adaptations are beneficial in the taiga or boreal ecosystem, marked B on the map? Select ALL that apply
Answers
Animals dont need to breed to survive for themselves, but they do need food, water and shelter
is that whats being asked? this is a bit confusing
How can we prevent our houses and buildings from lightning
Answers
Answer:lightning rod
Explanation:
Normaly there is a lighting rod to the most of the buildings or house so we can place lighting rod to prevent houses and buidlings from lightning
what type of transport id usually happening when oxygen is absorbed into cells
Answers
Answer:
The answer is diffusion.
Explanation:
Please help me to fill in the blank correct answers.
Ova are produced in the ovarian follicle and released each month. They are arrested in this step of meiosis_____. If they are fertilized by a sperm, this will happen in this part of the female’s anatomy______. It fertilizes, the ovum will then implant in the _____
Answers
Ova are produced in the ovarian follicle and released each month. They are arrested in this step of meiosis Prophase I. If they are fertilized by a sperm, this will happen in this part of the female's anatomy: Fallopian tube. If it fertilizes, the ovum will then implant in the Uterus
Ova are produced in the ovarian follicle and released each month. They are arrested in this step of meiosis: Prophase I. During meiosis, ova (eggs) undergo a process of cell division that involves two consecutive divisions, meiosis I and meiosis II. In meiosis I, the ova are arrested in the prophase stage, specifically in prophase I, until they are released for potential fertilization.
If they are fertilized by a sperm, this will happen in this part of the female's anatomy: Fallopian tube (or oviduct). After ovulation, the released ovum travels through the fallopian tube. If fertilization occurs, it typically happens within the fallopian tube, where the sperm meets the ovum.
If it fertilizes, the ovum will then implant in the: Uterus. After fertilization, the resulting embryo undergoes further development and eventually implants into the lining of the uterus, a process called implantation. The uterus provides a suitable environment for the embryo to grow and develop throughout pregnancy.
It's important to note that these processes occur in the female reproductive system and are essential for reproduction and the continuation of the species.
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Which idea was supported by Aristarchus, Copernicus, and Galileo?
Answers
answer:
the planets revolve around the sun
is testicular pain serious or normal for teens ?☹☹☹
Guys plz tell i am seriously asking this question.
Answers
Answer:
growing pains maybe? if its really bad though you should go to the doctor
Explanation:
Answer:
yeah if it is really that bad you might want it checked.
The sequence of the mRNA that would result from transcribing a DNA template strand with the bases TACGCTAAT would be
Answers
The sequence of the mRNA that would result from transcribing a DNA template strand with the bases TACGCTAAT would be AUGCGAUUA.
What is transcription?Transcription is the first stage of gene expression in which mRNA sequence is produced from a DNA template.
During transcription, the following applies to the DNA molecule being transcribed:
Adenine base (A) is transcribed into Uracil (U)Guanine base (G) is transcribed into Cytosine (C) and vice versa. Thymine base (T) is transcribed into Adenine (A)Therefore, the sequence of the mRNA that would result from transcribing a DNA template strand with the bases TACGCTAAT would be AUGCGAUUA.
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You are observing a population of squirrels that have red or black fur. Coat color in these squirrels is determined by one gene with two alleles, where red is dominant to black. In your population, you count 100 squirrels and find 84 red squirrels and 16 black squirrels. What is the frequency of the black fur allele
Answers
Assuming that the diallelic gene, which codes for fur color, express complete dominance, and following H-W equilibrium, the frequency of the black fur allele is f(r) = 0.4
--------------------------------
Available data:
Single, diallelic gene coding for fur colorRed is the dominant traitBlack is the recessive traitTotal number of squirrels, N = 10084 animals are red16 animals are blackWe need to calculate the frequency of the recessive allele.
We will say that,
R is the dominant allele that codes for redr is the recessive allele that codes for blackWe will assume complete dominance, where R completely masks the expression of r allele, so heter0zyg0us individuals express the dominant trait.
Following Hardy-Weinberg equilibrium, the allelic frequencies in a locus are represented as p and q. Assuming a diallelic gene,
p is the frequency of the dominant allele, q is the frequency of the recessive allele.The genotypic frequencies after one generation are
p² (H0m0zyg0us dominant genotypic frequency), 2pq (Heter0zyg0us genotypic frequency), q² (H0m0zyg0us recessive genotypic frequency).So, if we have the genotypic frequency of the recessive phenotype (black fur) we can get the allelic frequency.
We know that there are 16 black suirrelsAnd we know that the total number of individuals in the population is 100So the frequency of the black squirrels -F(rr)- in the population is,
F(rr) = q² = 16/100 = 0.16
Now, by taking the root square of this value, we will get the allelic frequency, f(r).
F(rr) = q² = 0.16f(r) = q = √q² = √0.16 = 0.4The frequency of the black fur allele is f(r) = 0.4.
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