I need help with this

Answer:

Transmembrane protein

Explanation:

Answer:

haploid, and the chromosomes are each composed of two chromatids

Explanation:

going off what I remember

Answer:

A hypothesis is either a suggested explanation for an observable phenomenon, or a reasoned prediction of a possible causal correlation among multiple phenomena. In science, a theory is a tested, well-substantiated, unifying explanation for a set of verified, proven factors.

Answer:

Progesterone levels rise during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. Menstruation occurs just after LH and FSH levels peak. Menstruation occurs after progesterone levels drop. Estrogen levels rise before ovulation, while progesterone levels rise after.

Answer:

Basal Layer

Explanation:

Melanocytes are found in the basal layer of the epidermis. These cells produce a pigment called melanin, which is responsible for different skin color. Melanin is packaged into small parcels (or melanosomes), which are then transferred to keratinocytes.

Answer:

The longer the length of string, the farther the pendulum falls and therefore, the longer the period

Explanation:

The speed of the wave will be 0.026 m/s

The speed of a wave is the distance traveled by a given point on the wave (such as a crest or trough) in a given interval of time.

Speed is given by the formula

[tex]Speed = \frac{Distance}{Time}[/tex]

From the question,

Distance = 8.5 cm

First, convert this to meter

Recall:

100cm = 1m

∴ [tex]8.5 cm = \frac{8.5}{100}[/tex] m

8.5 cm = 0.085m

and

Time = 3.25 seconds

Now, putting the above parameters into the equation

[tex]Speed = \frac{Distance}{Time}[/tex]

∴ [tex]Speed = \frac{0.085}{3.25}[/tex]

Speed = 0.026 m/s

Hence, the speed of the wave will be 0.026 m/s

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Answer:

The speed of the wave will be 0.026 m/s

Explanation:

Answer:

A sister chromatid refers to the identical copies (chromatids) formed by DNA replication of a chromosome, with both copies joined by a common centromere.

Explanation:

Homologous chromosomes may or may not be the same as each other because they are derived from different parents.

Answer:

Declining biodiversity lowers an ecosystem's productivity (the amount of food energy that is converted into the biomass) and lowers the quality of the ecosystem's services (which often include maintaining the soil, purifying water that runs through it, and supplying food and shade, etc.).

Answer:

"When a species becomes extinct, they reduce the variety of animals, plants, or bird species from that ecosystem resulting in the extinction of the other species that were dependent on them. Different species are playing different roles in the ecosystem to maintain a balance of the world." Credits to outside sources that it won't let me say :(

Answer:

The environment

Explanation:

Because deforestation cause erosion , flooding and desertification which affects the environment

Answer:

Whats going on is that you have a specific amount of enzyme that can do a specific amount of work. Think of it like a hotdog stand. the enzyme would be you and your substrats are your hot dogs and buns. You can only go as fast as the materials you have. If you have more materials than hands you can only go as fast as you can make them. To many substrates and you enzyme rate will cap out at maximum speed.

Explanation:

The plot shows rate of reaction of an enzyme as a function of the concentration of substrate. At stage B, the rate flattens and becomes constant, which means there's too much substrate for the enzyme to handle. So the fourth statement is false - the rate of reaction cannot be increasing.

Answer:

Part of the endocrine system that is responsible for overseeing

The pituitary gland is located at the base of the brain beneath the hypothalamus and is no larger than a pea. It is often considered the most important part of the endocrine system because it produces hormones that control many functions of other endocrine glands.

Explanation:

Answer:

As of 29 October 2018, the LINEAR system alone has discovered 147,132 asteroids. Among all the surveys, 19,266 near-Earth asteroids have been discovered including almost 900 more than 1 km (0.6 mi) in diameter. in 2021 it's 400,000

Explanation:

hope it helps :P

Answer:

Skin can regenerate effectively even after undergoing considerable damage because stem cells persist in both the epithelial and connective tissue components of skin. In response to injury, cells of the stratum basale (germinativum) replace epithelial cells while mesenchymal cells replace lost dermal cells.

Explanation:

yw!

Answer:

Frogs use their eyeballs to swallow. Frogs eat their prey whole and their eyeballs actually sink down into their mouth and push the food down into their throat.

Answer:

D. a force can be a push or a pull and A.

Answer:

(C)

Explanation:

answer"A" can be cancelled as prokaryotic cells don't possess a nucleus.

answer"B" can be cancelled as animal cells don't have cell walls.

answer"D" can be cancelled if you know the cell theory.

solution, solvent, solute

Answer:

During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water. Along the way, some ATP is produced directly in the reactions that transform glucose. Much more ATP, however, is produced later in a process called oxidative phosphorylation.

During cellular respiration, glucose makes water, carbon dioxide, ATP, lactic acid, and ethanol. In the absence of oxygen, ethanol and lactic acid are formed from the glucose.

Glycolysis is a process in which glucose breaks down inside a cell. Glucose makes pyruvate as an end product in this process. In the presence of oxygen, glucose breaks down into pyruvate and proceeds to the Krebs cycle. In this process, ATP, water, and carbon dioxide are released.

In the absence of oxygen, glucose is converted into lactic acid and ethanol. This is called fermentation and produces only 2 ATP from glucose. This is called anaerobic respiration.

When oxygen is present from glucose, nearly 36-38 ATP are formed. Pyruvate converts into acetyl CoA, and it enters the Krebs cycle. A complete oxidation of glucose takes place in the presence of oxygen.

Hence, in the presence of oxygen, 36-38 ATP is released from glucose, and in the absence of oxygen, lactic acid and ethanol are produced with 2 ATP.

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Answer: When two air masses meet together, the boundary between the two is called a weather front. At a front, the two air masses have different densities, based on temperature, and do not easily mix. ... Winds are common at a front. The greater the temperature difference between the two air masses, the stronger the winds will be.

Explanation:

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The red blood cells and brain are two body tissues that derive most of their energy from glucose.

Glucose is the answer.

The red blood cells and brain are two body tissues that derive most of their energy from carbohydrates. The correct option is C.

Sugar molecules make up carbohydrates, or carbs. Carbohydrates are one of the three primary nutrients included in foods and beverages, along with proteins and fats.

Glucose is created by your body's breakdown of carbs. The primary source of energy for the cells, tissues, and organs in your body is glucose, sometimes known as blood sugar.

Under normal conditions, glucose serves as the brain's main energy source.

Using either glycolysis or oxidative phosphorylation—the latter of which is 15 times more efficient—glucose is used to create energy in the form of adenosine triphosphate (ATP).

In the absence of glucose, the brain has backup energy sources, such as ketones created by fatty acid metabolism, which predominantly takes place in the liver.

These include 3-hydroxybutyrate, acetone, and acetoacetate (3BHM).

Thus, the correct option is C.

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Your question seems incomplete, the missing options are:

fat

protein.

carbohydrate.

iron.

Answer:

A - nucleus.

b- cellwall

c- vacuole

D- mitochondria

c and e....... take this answer with a grain of salt!

Answer:

The ribosome is a complex molecule made of ribosomal RNA molecules and proteins that form a factory for protein synthesis in cells. In 1955, George E. Palade discovered ribosomes and described them as small particles in the cytoplasm that preferentially associated with the endoplasmic reticulum membrane. Along with other scientists, Palade discovered that ribosomes performed protein synthesis in cells, and he was awarded the Nobel Prize in 1974 for his work.

Each ribosome has a large component and a small component that together form a single unit composed of several ribosomal RNA molecules and dozens of proteins. The ribosome is responsible for translating encoded messages from messenger RNA molecules to synthesize proteins from amino acids. The ribosome translates each codon, or set of three nucleotides, of the mRNA template and matches it with the appropriate amino acid in a process called translation. The amino acid is provided by a transfer RNA (tRNA) molecule. Each newly translated amino acid is then added to the growing protein chain until the ribosome completes the process of protein synthesis.

Answer:

My answers were based on the following knowledge:

a. cells -  all living things are made up of cells

d. reproduction - organism produce offsprings

b. energy - organisms make or consume food and break down food for energy

e. growth & development - organisms become more mature.

c. homeostasis - organism find a way to maintain a balance system

f. response to  stimuli - organisms react to environmental factors