A scientist was observing chondrocytes under a microscope. Which type of connective tissue was he observing?

Answers

Answer 1

Answer: the type of connective tissue that he's observing is : cartilage tissueChondrocytes are made mostly by collagen.The collagen caused a smooth and elastic tissue which is very rubber-like, which could be used to protect the long bones of our joints, which commonly found in cartilage tissue

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A lion eating a zebra is an example of which characteristic of life?

Answers

Hi there!

A lion eating a zebra is an example of growing and developing, since the energy and proteins that have been transferred to the lion from the zebra help the lion grow.

Hope this helps!

Well its apart of the food chain, but is also apart of the circle of life if you call it that. If you need more detail please ask in the comments I can explain more if needed

Lichens, represented by this symbiotic relationship, are responsible for _____________ or the establishment of a new site for plant growth.A)
primary succession
B)
secondary succession
C)
trophic metamorphosis
D)
ecological infiltration

Answers

The correct answer for the above question is A. Primary succession.

Lichens, represented by the symbiotic relationship are responsible for primary succession or the establishment of a new site for plant growth.

Explanation;
Primary succession takes place in lifeless areas; that is; the regions in which the soil is incapable of sustaining life as a result of factors such as lava flows, newly formed sand dunes, or rocks left from a retreating glacier.
Lichens are the pioneer species or the first organisms to colonize bare rock in primary succession. They secrete acids that break down the rock and start the soil production process, as many organism require soil before they can colonize an area.

A)
primary succession

NOT:

B)
secondary succession
C)
trophic metamorphosis
D)
ecological infiltration

Which of the following is a need of most plants? A. To release carbon dioxide to the environment. B. To take up oxygen from the environment. C. To release water through their leaves. D. To capture sunlight to perform photosynthesis.

Answers

The best answer is D.

Plants need energy to grow and reproduce. This energy is gotten by the process of cellular respiration. This process uses carbohydrates as substrate .

To be able to get carbohydrates, plants, unlike animals, have to manufacture it. Animals do not make their own food but plants do.

The plants therefore must engage in photosynthesis to make carbohydrates and this requires light to provide solar energy to drive the process, thus most plants, especially green plants, must have sunlight , without which they cannot live.

A person exhibiting a recessive characteristic must be heterozygous for that gene. True or False

Answers

Answer:true

Explanation: cause heterozygous means that 2 or more of offspring genes are recessive

Under a light microscope, a stained cell shows chromosomes lined up along the middle. What will happen next? Spindles will form and centrioles will move to opposite poles. A nuclear membrane will form around each set of chromosomes. Chromosomes will separate and move to opposite poles.

Answers

Chromosomes will separate and move to opposite poles.

A light microscope uses focused light and lenses to magnify an object. Light microscopes come in several forms. (1) Simple light microscopes use a single lens to magnify an object and cannot reach high magnification just like a handheld lens whose highest clear magnification in the best conditions is 25x. (2) Compound light microscopes use two sets of lenses - an objective lens and an eye piece. This is the type of light microscope whose magnification power reaches between 1000x and 2000x.

There are different types of nerves or mechanoreceptors located in your skin. Nerves that detect deep pressure are called _____.Merkel's disks
Meissner's corpuscles
Pacinian corpuscles

Answers

Nerves that detect deep pressure are called Pacinian corpuscles.

Pacinian corpuscles are microscopic onion-shaped nerve structures that are situated in the dermis and hypodermis. Pacinian corpuscles detect deep pressure and vibration. This nerve has a myelinated nerve ending in the middle of its structure and the external layer contains flattened cells, a lymph-like fluid and collagen fibers. The structure of pacinian corpuscles provides a fast response and rapid recovery by transmitting fast events. This make them sensitive to pressure and vibration.

Answer:

C.) Pacinian corpuscles

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Microbial cells are grouped into two major groups based on the separation of their genetic material from the cytoplasm. Which are these two groups?

Jerome also had blood work done to confirm the MI. The presence of troponin, or cardiac enzymes such as CK-MB, are a positive indicator of an MI. Why is their presence at higher levels in the blood indicative of an MI?a. They are by-products of aerobic metabolism and if they are present in higher amounts in the blood it shows that the myocardium is working harder.b. They are substrates for aerobic metabolism and if increased in the blood show that the cardiac muscle is not functioning normally.c. These proteins are normally found inside cardiac muscle cells and if present in the blood indicate damage to the cells.d. They are by-products of anaerobic metabolism (glycolysis) and if increased indicate that the heart is not receiving oxygen.