Explanation:
Mark me as brainliaste
Then I will give you answer
HELPPPPPP PLEASEEEEE ILL GIVE BRAINLIEST AND POINTSSSS
(you dont need to answer them both but at least help me with one)
Why has the Ugandan government pushed Abstinence as a means of combating the spread of HIV/AIDS?
On a separate piece of paper, construct a population pyramid to illustrate the current age groups infected by HIV/AIDS in Uganda.
1. A reexamination of HIV seroconversion studies suggests that condoms are 90 to 95% effective when used consistently, i.e. consistent condom users are 10 to 20 times less likely to become infected when exposed to the virus than are inconsistent or non-users.
The main reason why has the Ugandan government pushed Abstinence as a means of combating the spread of HIV/AIDS is: the people for whom the propaganda is done are mostly children above 10, who tend to start having sx at an early age.
Why has the Ugandan government pushed Abstinence as a means of combating the spread of HIV/AIDS?The ABC strategy is credited for bringing the HIV/AIDS epidemic under control in Uganda. By promoting abstinence, being faithful, and condom use, safe(r) behaviours have been identified that are applicable to people in different circumstances. Because the people for whom the propaganda is done are mostly children above 10, who tend to start having sx at an early age.
Thus, this could be the answer.
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Select all that apply.
Characteristics of meiosis include_____.
1) The most common kind of cell division
2) Four daughter cells produced when parent cells divide
3) same number of chromosomes in each daughter cell as in a parent cell
4) different DNA in the daughter cell than in the parent cell
Which of the following statements is not true?\
A. Water is essential for life.
B. Water stabilizes temperature.
C. Water is polar.
D. Water is the most abundant atom in Earth’s atmosphere.
E. Water and ice vary in density.
Answer:
D. Water is the most abundant atom in Earth’s atmosphere.
Explanation:
An atom can be defined as the smallest particle of an element (e.g., oxygen, hydrogen, etc). Water is a molecule (H2O) because its atoms are connected by molecular bonds (i.e., water is not an atom). Water is the most abundant molecule on the Earth's surface which covers more than 70 percent of the world's surface. A water molecule contains one oxygen (O) and two hydrogen (H2) atoms which are connected by covalent bonds. Water is also a compound known as a diatomic molecule, i.e., a molecule composed of two atoms of the same type.
During the drought of 1977 on the island of Daphne Major, which of the following answers correctly explains why birds with
larger beaks had a competitive advantage over other individuals?
A) These birds were able to fight off birds with smaller beaks more successfully
B) Birds with larger beaks were better able to utilize the large seeds.
C) These birds were able to smell and locate nesting sites with more accuracy
D) These birds were able to hold more water.
Answer:
1. Birds with larger beaks were better able to utilize the large seeds.
2. DNA analysis shows that their DNA is almost identical...
3. The diversity in environments on each island provides...
4. The utilization of different resources requires different...
5. Scientists observe the frequency of the different forms...
Explanation:
100% hopefully this helps someone out ♡
Competitive Advantage Quick Check
Birds with larger beaks being better able to utilize the large seeds correctly
explains why birds with larger beaks had a competitive advantage over
others.
During the drought, there was as scarcity of food and resources and the
birds which have larger beaks has an advantage over other types. This was
as a result of their ability to find food in more areas.
Birds with long beak were able to crack seeds which were large and stronger in size which give them the advantage over others.
Read more on https://brainly.com/question/11949149
Small, reduced leaves with a single vein occurring in the club mosses
Answer:Club mosses are low evergreen herbs with needlelike or scalelike leaves. Many species have conelike clusters of small leaves (strobili), each with a kidney-shaped spore capsule at its base. The plants are homosporous, meaning they produce just one kind of spore
Explanation:Although they lack true veins, many species of mosses have long narrow cells in their stems, the midribs of their leaves, and their rhizoids (root-like plant tissue) that can be considered evolutionary precursors to true veins. Vascular plants with true veins include the clubmosses, ferns, and flowering plants.
The same nutrient is one of the
slowest moving nutrients and is
often the limiting nutrient in
aquatic ecosystems. What is this
nutrient?
A. carbon
B. nitrogen
C. phosphorus
The answer is c
Phosphorus is often the limiting nutrient, or nutrient that is most scarce and thus limits growth, in aquatic ecosystems.
Hope it helps
Which of the following junctions binds a cell to another cell and is linked to keratin intermediate filaments?
a. desmosome
b. tight junction
c. adherens junction
d. hemidesmosome
You are digging in a desert in the mountains and find fossil imprints of ferns. Based on this which type of environment did the mountain used to be?
Answer:
The environment was probably a moist and shady forest, like a rain forest. This is the most suitable condition for ferns to grow in.
What is Bt Cotton. Explain its mode of action.
Answer:
Bt cotton is a genetically modified organism (GMO) or genetically modified pest resistant plant cotton variety, which produces an insecticide to combat bollworm.
A researcher speculates that an enzyme has the following energy profile and that it is a reasonable profile given what we know about enzyme behavior. Enzyme bound to Substrate: -7.00 kcal/mol Enzyme bound to Product:-10.00 kcal/mol Enzyme in transition state:-5.00 kcal/mol
a) True
b) False
Explanation:
TRUE MAY BE
HOPE IT HELP U
how was the state of the ecosystem before the wolves were introduced?
hi !
Explanation:
when wolves were reintroduced , the research has shown that in many places they have helped revitalize and restore ecosystems. They improved the habitat and increase populations of countless species from birds of prey to pronghorn, and even trout.
i. Identify the potential sources of land, water, and air pollution in your locality.
ii. As a responsible citizen, frame a policy to reduce pollution.
Answer:
F yo 0 più 4 iijswfo6d4fgs6 ljtik
Which of the following is FALSE regarding blood glucose?
It provides energy to cells
It is used to make proteins
It is found in simple carbohydrates
It travels through bloodstream
Answer:
glucose is a sugar, therefore cannot make proteins
Explanation:
Why does organic plant remains best describes coal?
Answer:
what he/she said
Explanation:
Community interactions among species include which of the following?
O prey species
O assistance to other species
O parasitism
O all of these choices
Answer:
D. all of these choices
Explanation:
This is because the community is made up of different types of organisms, not just one. Therefore, its D.
Who do we balance a chemical equation
Answer:
We have to balance chemical equations because you need to satisfy the law of conservation of matter. That states that matter cannot be produced or destroyed in a closed system. The law of conservation of mass governs the balancing of a chemical equation.
Answer:
I think you meant how?
Explanation:
but always you balance a chemical equation by looking at how many atoms you have for each element. For example we have the chemical equation Na + Cl2----> NaCl
so there's 1 Na atom
there's 2 Cl atoms
and for the product side
there's 1 Na atom
there's 1 Cl atom
TO BALANCE THIS you have to make the reactants side equals the product side by ADDING COEFFICIENTS.
so it would be 2Na + Cl2 ---> 2NaCl
Structure number 2 is the_______
and most like the______
system
in the human body because it________.
Answer:
Structure number 2 is the nucleus and most like the nervous system in the human body because it controls and regulates the cell much like the nervous system does
Explanation:
is meiosis similar to mitosis true or false
Answer: Meiosis and mitosis are both cell division cycles that result in daughter cells. Meiosis occurs in the gametes, while mitosis occurs in all non-gamete cells. Meiosis also results in two cell division rounds, whereas mitosis only has one cell division round.
How are phone numbers in a phone book classified? When you are looking for someone's phone number , do you have to look through everybody's name to tind the number?
Answer:
There are usually categories for names and the categories are sorted in alphabetical order. But nowadays phone books only are used for businesses and all that
Let's start with a ham and cheese sandwich with lettuce and pickles. As I bite into my sandwich the teeth are present for mastication to begin the process of mechanical digestion and the saliva begins to mix with my food where salivary amylase is present and starts the digestion of the starchy bread. What happens next? (Think about the carbohydrates, proteins and fat in our sandwich
Answer:
Explanation:
After amylase act on carbohydrates, the chyme pass through the oesophagus down to the dudoneum in the small intestine. Amylase also continue to break it down into disacharrides and enzymes like maltase, sucrase and lactase are released to further break it down into maltose, sucrose, and lactose then finally glucose, a way it can be absorbed easily by the epithelial walls.
The digestion of lipids and protein begin in the dudoneum of small intestine.
Trypsin act on protein and break it down to peptides. Peptidase is then released and break it to single chain peptides bond. In the small intestine, dipeptidases break it down into amino acids easily absorbed by the epithelial walls.
The bile in the gall bladder produce enzyme called lipases which breakdown lipids and make it to undergo emulsification.
What happens to the equilibrium when sodium hydroxide is added to ammonia
Answer: you add Sodium Hydroxide you will cause Equilibrium to shift to the left. The effect will be to force NH3 out of the solution and back to gas form
Describe the metabolic pathways in the monarch butterfly that take advantage of milkweed nectar to convert it into an energy currency.
Answer:
Metabolic pathways in monarch butterflies are as follows:
GlycolysisKreb's cycleOxidative phosphorylationExplanation:
They convert sugar which they obtain from nectar into fats that they store as source of energy. Monarch have a little layer of fatty tissues which aid in conversion of Sugar in to fat.
They consume the stored fat during reproduction. A lot of fat is eventually converted to eggs and some of it is used to provide energy just to sustain the reproductive butterflies.
During winter season, when their metabolic is low they consume energy by converting stored fat into sugar called Trehalose. The conversion of fat also releases little water which help them to survive during winter.
1) Glycolysis:
Glucose is phosphorylated by hexokinase enzyme to give glucose-6phosphate. This glucose-6-phosphate enters into glycolysis and is broken down into two molecules of pyruvate in a series of ten reactions. During glycolysis net two molecules of ATP are synthesised per glucose molecule. Moreover, two molecules of NADH+H+ are also synthesised. In aerobic organisms like monarch butterfly the pyruvate is again oxidised to give acetyl-CoA in the mitochondria. The enzyme responsible for this oxidation is Pyruvate Dehydrogenase Complex. This reaction occurs in the mitochondrial matrix. Here one CO2 molecule is removed from the pyruvate and one NADH is produced.
2. Kreb's Cycle:
The acetyl-CoA formed enters into the Kreb's cycle by condensing with oxaloacetate. In Kreb's cycle acetyl-CoA is completely oxidised to give carbon dioxide in eight enzymatic reactions. During Kreb's cycle NADH, FADH2 and one molecule of GTP is produced and oxaloacetate is regenerated to continue the cycle.
3. Oxidative Phosphorylation:
The NADH produced in the glycolysis and Krebs cycle and FADH2 produced during Krebs cycle are now oxidised to generate proton gradient across the inner mitochondrial membrane. This gradient is generated when the electrons from the reduced NADH and FADH2 are transported in the electron transport chain(ETC), and are finally accepted by the oxygen.
When the electrons are picked up by the complexes of the ETC they pick protons from the matrix. When the electrons are transferred to next complex the protons are transferred to the inter-membrane space. In this way a proton gradient is generated across the innner membrane of the mitochondria.
This proton gradient is used by the complex V of the ETC. This complex is the enzyme ATP Synthase. This enzyme complex is located in the inner mitochondrial membrane. When the protons flow back from the inter-membrane space into the matrix along the concentration gradient , they move through the channel in the ATP Synthase Complex. When these protons flow through this complex it catalyzes the phosphorylation of ADP to give ATP, the energy currency.
The fructose component of the sucrose is first converted into glycogen and then broken down to give glucose-1-phosphate, which enters into glycolysis.
Sucrose cannot enter the pathway of glycolysis as such. It is first hydrolysed to glucose and fructose as described above along with the path way.
please help very easy 5th grade work giving brainliest
Answer:
pretty sure its A hope this helps!
Answer:
A
Explanation:
because fuels are used to produce electricity from solar energy
Which of these describes one way the nervous system and the circulatory system interact to maintain homeostasis?
A.
The blood's glucose level increases after eating.
B.
The brain stimulates sweating in hot weather.
C.
The kidneys conserve water and filter out acidic properties of food.
D.
The hypothalamus senses properties of the blood such as electrolyte level.
Answer:
Mañana tengo escuela y son las 3 de la mañana
Explanation:
weno me esperas 29 minutos para poder traducir lo que dice ahí? es que no entendí.
Why is drip irrigation excellent for places like Dubai ?
pls answer!!
Answer:
Due to water scarcity in Rajasthan, it is very difficult to take up irrigation facilities very fast. So drip irrigation method allows water to drip slowly to the roots onto the soil surface. The water reaches the base of the plant due to its very rocky surface. It is done through a network of pipes, valves.
Which of the following is a concern if you forgot to resuspend (mix) culture solutions when performing serial dilution?
A) Bacteria would no longer be able to grow on solid media
B) CFU/mL calculations would not be accurate
C) Colony morphology would be disrupte
D) The pure culture would be contaminated
Answer:
B) CFU/mL calculations would not be accurate
Explanation:
In microbiology CFU is the acronym for Colony Forming Unit, which indicates the number of bacteria or fungi capable of multiplying under suitable conditions. In this case, CFU/mL indicates how much bacterial or fungal cells, susceptible to reproduction, exist within 1 mL of a culture solution.
When this solution is used, to make a dilution or other laboratory activity, it is important that it be resuspended, that is, mixed, as the bacteria or fungus cells can accumulate in the bottom or surface of the substance, changing the value of CFU/mL and causing inaccurate dilutions if used. When resuspended, the substance presents the appropriate value of CFU/mL, ensuring that the dilution is accurate and effective.
Label each example below as one of the following types of energy: chemical, thermal, sound, electrical, gravitational, nuclear, radiant, or mechanical.
(40 pts + brainliest)
Answer:
Explanation:
lighting strike:sound
stretched rubber band:mechanical
battery: electrical
nucleus of an atom: chemical
light: radiant
phone:sound
describe how a jump rope could be used to model the cell membrane of a plant cell
Answer:
Due to its thin width and elasticity.
Explanation:
A jumping rope could be used to model the cell membrane of a plant cell because of their elasticity that acts like cell wall or cell membrane of the cell. Just like a cell wall or cell membrane which is the outer covering is thin in width and has the ability to elasticity so the jumping rope is also used in the model due to its elasticity and thin width so that's why we can used it in the cell model.
A population age structure in which the birthrate is high A population age structure in which the birth rate is high and the population is mainly young would be best
represented by a graph with a/an -shaped curve.
O bell
O urn
O pyramid
O S
O J
Answer:
pyrimid
Explanation:
Two normal parents produce a child affected with the autosomal recessive disease homocysteinuria. They want to have 3 more children. You tell them the chance of 1 OR MORE affected among the next three children is:
Answer:
Zero
Explanation:
Because in a situation whereby both parents are carriers of an autosomal recessive condition there is a 1 in 4 chance of them having an affected child.
Hence, given that these two normal parents have already had one affected child with the autosomal recessive disease homocystinuria. There is ZERO chance of having an affected child in the next three kids they will be having.